Debt Snowball vs Debt Avalanche: Which UK Method Works Better?

You get excited about going freelance. More control, flexible hours, being your own boss. Then your first invoice sits unpaid for 60 days while you're still paying your mortgage, and suddenly you realise how much your employer was doing behind the scenes. They were paying your tax, your National Insurance, your pension. You were just receiving a tidy monthly salary. Now you're responsible for all of it, and nobody warned you it would feel this complicated.

The Tax Difference Between Employment and Self-Employment

As an employee, your employer withholds income tax before you see your salary. As self-employed, you pay it yourself. This is the biggest psychological shift and the most common cause of financial panic.

The basic rule: set aside 25 to 30% of every invoice you receive for tax and National Insurance. This is a guideline, not gospel, because your exact rate depends on your profit level and tax band. But 25-30% is safe. If you earn £50,000 as freelance income, your tax bill will be roughly £12,500 to £15,000.

You'll pay this bill in January after the tax year ends. So when you invoice in April, you can't spend all that money, even though it feels like yours. It's mostly the tax man's money on loan.

Do You Need to Register for Self Assessment?

Yes. If you're earning any income from self-employment, you must register for Self Assessment. Do this within the first month of trading, even if you haven't earned anything yet. You can register online through the HMRC website in about 10 minutes. They'll give you a UTR (Unique Taxpayer Reference) number.

Once registered, you'll need to file a tax return every year, even if you made a loss. The deadline is usually 31 January, and the penalty for missing it is £100 (plus interest on any tax owed). It's not worth the hassle. Set a phone reminder for 20 January.

How Do You Handle Irregular Income?

This is where self-employment gets real. Some months you earn £8,000. Other months you earn £800. Your mortgage doesn't care about your invoice cycles.

The solution is two-fold. First, build a 6-month buffer before you jump. If your living costs are £2,500 monthly, save £15,000 before you hand in your notice. This isn't negotiable. This buffer lets you survive slow months and take on only work you genuinely want to do.

Second, once you're established and earning consistently, create a monthly budget based on your average income over the last 12 months. If you earned £60,000 last year, your average monthly income is £5,000. Live on that figure, even if some months bring in £10,000. The months that exceed your budget go straight into savings. This evening-out system prevents panic spending in good months and forced borrowing in lean ones.

What's a Business Account and Why Does It Matter?

Open a separate business bank account. This is not optional, despite what your mate says. A business account keeps your income separate from your personal money, makes tax calculations infinitely easier, and protects you if the tax office ever questions your figures (they look at your bank statements, not your memory).

Most banks offer free business accounts to freelancers and small businesses. You'll need your UTR and some ID. Set up online and it usually takes three days. Pay yourself a regular "salary" or dividend from the business account into your personal account. This psychologically separates business profit from personal spending money and makes budgeting clearer.

Invoice Chasing and Cash Flow Hell

Clients will delay paying you. Some will delay a lot. A client owing you £5,000 for work you completed three months ago doesn't help when rent is due tomorrow.

Be professional but firm about payment terms. State on every invoice: "Payment due within 14 days" or "Payment due within 30 days". If it's a large client or you have cash flow concerns, ask for 50% upfront and 50% on delivery. This is completely normal and every established freelancer does it.

If an invoice is overdue, send a polite reminder within two weeks. After 30 days overdue, send a formal letter before action. Some invoicing software does this automatically. Your local Business Support Services can help with late payment advice and sometimes recovery.

What About National Insurance When You're Self-Employed?

As self-employed, you pay both employee and employer National Insurance (called Class 2 and Class 4). This is higher than what employed people pay and it's one of the reasons your tax bill feels shocking.

However, your State Pension contributions work differently. If you're earning below £11,908 (2025-26 threshold), you can make voluntary Class 3 National Insurance contributions to fill gaps and maintain State Pension eligibility. This costs roughly £163 per year and takes five minutes online. If you have irregular income, this is a safety net.

Your HMRC records will show you State Pension progress. Check this every couple of years to make sure you're not accidentally damaging your future pension with gaps in contributions.

You Don't Have an Employer Pension Anymore

An employed person at 25 typically has their employer automatically putting 3-5% of salary into a pension. As self-employed, nobody is doing that. You're on your own.

You need to set up a SIPP (Self-Invested Personal Pension) or a Solo Self-Employed 401(k) equivalent. A SIPP is a personal pension scheme you control. You can open one with many financial providers (Vanguard, Hargreaves Lansdown, AJ Bell) and contribute whatever you want, whenever you want.

The advantage is tax relief. If you contribute £4,000 to a SIPP, the government adds £1,000 in tax relief (20% basic rate). So £4,000 becomes £5,000 invested instantly. This is free money.

Start a SIPP in your first month of self-employment, even if you can only afford £100 monthly. Getting the compound growth running early matters more than the amount. By 45, you'll have a meaningful pension fund.

What Is IR35 and Could It Affect You?

IR35 is a tax rule designed to catch people who look like employees but claim to be self-employed (dodging tax and National Insurance). If you work through an agency or have a single client paying most of your income, the taxman might scrutinise you.

If you're genuinely self-employed (multiple clients, set your own hours, provide your own equipment, risk your own loss), IR35 probably doesn't apply. But if you're basically employed in all but name, the tax office will reclassify you as an employee and demand back taxes.

Protect yourself by having varied clients, writing contracts that show genuine autonomy, and keeping good records. If you're genuinely confused about whether IR35 applies, get advice from a tax accountant. It costs £200-400 and prevents a £10,000 headache.

Building a 6-Month Buffer Before You Jump

This is the single most important thing you can do. If your fixed costs (rent, insurance, food, utilities) are £2,500 monthly, save £15,000 before you hand in your notice. This is not optional. This is your safety net.

With a 6-month buffer, you can have three quiet months and not panic. You can turn down terrible clients who don't pay well. You can invest in your business without guilt. You can take annual leave without watching your account empty.

People who jump without a buffer end up taking rubbish work for rubbish pay within three months, which makes them miserable and actually breaks their financial situation long-term. Spend six months saving. Seriously.

Practical Setup in Your First Month

Week one: Register for Self Assessment and get your UTR. Open a business bank account.

Week two: Set up a SIPP with a provider you trust. Start a spreadsheet tracking income, expenses, and what you've set aside for tax. Create invoice templates with "Payment due within 14 days" clearly stated.

Month one: Get a rough idea of your annual expected income. Calculate 25-30% and set that much aside monthly into a separate savings account (not your business account, not your personal account, a third account specifically for tax). This removes the temptation to spend it.

Ongoing: Chase invoices within two weeks of due date. Review your income monthly. Check your State Pension National Insurance record annually.

Where Mona Fits

Going self-employed is exciting and terrifying. Mona helps you understand the financial obligations you've inherited (tax, National Insurance, pensions), plan cash flow around irregular income, and decide whether you're actually ready to make the jump (that 6-month buffer question). She can coach you through the mental shift of being responsible for your own finances. She can't file your tax return or manage your invoicing (that's your accountant and your systems), but she can help you understand the landscape and feel less alone in it.

The Bottom Line: Self-employment means you handle tax, National Insurance, invoicing, and pensions yourself. Set aside 25-30% of every invoice for tax immediately. Save six months of living costs before you jump. Separate your business and personal finances. Get your SIPP running on day one. The adjustment takes three to six months, and after that, most people wouldn't go back.

Start with Mona today.

For regulated financial guidance, visit MoneyHelper.org.uk.There are two main strategies for paying off multiple debts, and they're complete opposites. The debt snowball gets you quick wins, while the debt avalanche saves you money. Which one works better depends on whether you're motivated by momentum or mathematics.

How the Debt Snowball Works

The debt snowball is simple: list your debts from smallest to largest, then attack the smallest one first. You pay the minimum on everything else and throw every extra pound at the smallest debt. Once you've killed it, that payment amount rolls over into the next-smallest debt. The payments snowball in size, hence the name.

Example: You have three debts.

  • £500 overdraft (20% interest)

  • £3,000 credit card (19% interest)

  • £8,000 personal loan (6% interest)

Using the snowball method, you'd attack the overdraft first. Let's say you can afford £300 per month total. You'd put £100 on the overdraft (all of it goes there now), and pay minimums on the credit card and loan. Once the overdraft is gone after five months, you'd have £300 to throw at the credit card. The "snowball" has grown.

The psychological benefit is real. Winning against that first debt feels good, and seeing balances disappear motivates you to keep going.

How the Debt Avalanche Works

The debt avalanche ignores the size of the debt and instead targets interest rates. List your debts from highest interest to lowest, then attack the highest-interest debt first. You're minimizing the total interest you'll pay over time.

Using the same example, the avalanche method says to attack the overdraft first (20%), then the credit card (19%), then the personal loan (6%).

So with £300 per month available, you'd throw everything at the overdraft, but for a different reason than the snowball method. You're not targeting it because it's small, you're targeting it because it's the most expensive.

The avalanche method costs you less money in interest. It's mathematically superior because you're eliminating the highest-cost debt first, saving yourself from paying expensive interest for years.

The Maths: How Much Money Can You Actually Save?

Let's use concrete UK figures to show the difference. Imagine you have.

  • £1,500 overdraft at 39.9% APR

  • £2,000 credit card at 18% APR

  • £4,000 personal loan at 5% APR

You can afford £500 per month towards debt. Using the snowball (smallest first), you'd target the overdraft first. Using the avalanche (highest interest first), you'd also target the overdraft first in this case, because 39.9% is the worst rate.

The real difference shows up in scenarios where the highest-interest debt is also the largest. Imagine you had a credit card with £4,000 at 19% and a personal loan of £1,500 at 5%. The snowball says attack the loan first. The avalanche says attack the credit card first.

With the snowball, you'd kill the loan in three months, then focus on the credit card. With the avalanche, you'd target the credit card for longer, but you'd pay less total interest because you're eliminating the 19% faster. The avalanche method could save you hundreds of pounds over the debt payoff period.

The savings are real, but they require discipline and motivation that the snowball provides more naturally.

The Psychology: Why Quick Wins Matter

Here's the problem with purely mathematical advice: real humans aren't purely motivated by maths. If the avalanche method is boring and takes longer to see results, you might abandon it before reaching the finish line.

The snowball method is psychologically powerful. That first victory, eliminating an entire debt in just a few weeks or months, creates momentum. You start to believe you can actually do this. Each subsequent win reinforces that belief. By the time you reach your largest debt, you're fully committed.

If you're someone who struggles with motivation or has abandoned debt payoff plans before, the snowball might be worth the extra interest cost. Completing your plan is more valuable than saving £100 if completing it requires discipline you don't naturally have.

The avalanche method assumes you're motivated by the endpoint and comfortable with delayed gratification. If you are, great. If not, snowball wins.

UK-Specific Complications: Credit Cards and Overdrafts

In the UK, your most expensive debt is usually an overdraft. Arranged overdrafts now have a standard rate of 39.9% APR, making them the worst kind of debt you can carry. An unarranged overdraft is even worse at higher rates.

This often makes both methods agree: kill your overdraft first. Overdrafts are simultaneously small (often £1,000 to £3,000) and expensive (39.9%), so the snowball targets them by size while the avalanche targets them by interest rate.

The methods diverge when you have a large credit card balance at 18% and a smaller personal loan at 5%. That's when you have to choose: quick win (personal loan) or interest savings (credit card).

If you're in a real financial pinch, there's a third option: check if you can negotiate with your creditors. Missed payments and high interest rates sometimes prompt lenders to offer payment plans or interest freezes. It's worth asking before committing to either strategy.

Which Method Should You Choose?

Choose the snowball if: You're new to debt repayment and need motivation. You have multiple small debts. You struggle with discipline. Quick psychological wins matter more to you than saving £50 per month.

Choose the avalanche if: You're mathematically minded and motivated by saving money. You have one very large, high-interest debt. You're disciplined enough to stick with a plan that takes longer to show results. Months or years of interest savings matter to you.

If you're genuinely unsure, the snowball is probably safer. Most people who stick to a debt plan actually finish it. The average person trying the avalanche might give up halfway because they haven't seen a "win" yet.

The Hybrid Approach

You don't have to pick one method and stick with it forever. Some people use the snowball to build momentum and get their first two or three debts eliminated, then switch to the avalanche method for the remaining larger debts. This gives you the psychological boost of early wins plus the long-term savings of attacking expensive debt.

There's no penalty for switching methods. Your goal is to become debt-free, and if a hybrid approach gets you there faster than either pure method, that's the right answer for you.

Where Mona Fits

Both the snowball and avalanche methods require seeing all your debts in one place: their balances, interest rates, and minimum payments. Mona gives you exactly this view, making it easy to calculate which method saves more money and to track your progress as you chip away at each debt.

For free guidance on debt strategies and financial planning, visit MoneyHelper.org.uk, which offers tools and advice for managing multiple debts.

The Bottom Line

The debt avalanche saves more money, but the debt snowball builds momentum and gets debts eliminated faster. The best method is the one you'll actually stick with, and that usually depends on whether you're motivated by quick wins (snowball) or long-term savings (avalanche). Use Mona to see all your debts together, pick the method that matches your personality, and commit to it until you're debt-free.

Join Mona’s early access waitlist

Join the waitlist

All articles

Debt Snowball vs Debt Avalanche: Which UK Method Works Better?

You get excited about going freelance. More control, flexible hours, being your own boss. Then your first invoice sits unpaid for 60 days while you're still paying your mortgage, and suddenly you realise how much your employer was doing behind the scenes. They were paying your tax, your National Insurance, your pension. You were just receiving a tidy monthly salary. Now you're responsible for all of it, and nobody warned you it would feel this complicated.

The Tax Difference Between Employment and Self-Employment

As an employee, your employer withholds income tax before you see your salary. As self-employed, you pay it yourself. This is the biggest psychological shift and the most common cause of financial panic.

The basic rule: set aside 25 to 30% of every invoice you receive for tax and National Insurance. This is a guideline, not gospel, because your exact rate depends on your profit level and tax band. But 25-30% is safe. If you earn £50,000 as freelance income, your tax bill will be roughly £12,500 to £15,000.

You'll pay this bill in January after the tax year ends. So when you invoice in April, you can't spend all that money, even though it feels like yours. It's mostly the tax man's money on loan.

Do You Need to Register for Self Assessment?

Yes. If you're earning any income from self-employment, you must register for Self Assessment. Do this within the first month of trading, even if you haven't earned anything yet. You can register online through the HMRC website in about 10 minutes. They'll give you a UTR (Unique Taxpayer Reference) number.

Once registered, you'll need to file a tax return every year, even if you made a loss. The deadline is usually 31 January, and the penalty for missing it is £100 (plus interest on any tax owed). It's not worth the hassle. Set a phone reminder for 20 January.

How Do You Handle Irregular Income?

This is where self-employment gets real. Some months you earn £8,000. Other months you earn £800. Your mortgage doesn't care about your invoice cycles.

The solution is two-fold. First, build a 6-month buffer before you jump. If your living costs are £2,500 monthly, save £15,000 before you hand in your notice. This isn't negotiable. This buffer lets you survive slow months and take on only work you genuinely want to do.

Second, once you're established and earning consistently, create a monthly budget based on your average income over the last 12 months. If you earned £60,000 last year, your average monthly income is £5,000. Live on that figure, even if some months bring in £10,000. The months that exceed your budget go straight into savings. This evening-out system prevents panic spending in good months and forced borrowing in lean ones.

What's a Business Account and Why Does It Matter?

Open a separate business bank account. This is not optional, despite what your mate says. A business account keeps your income separate from your personal money, makes tax calculations infinitely easier, and protects you if the tax office ever questions your figures (they look at your bank statements, not your memory).

Most banks offer free business accounts to freelancers and small businesses. You'll need your UTR and some ID. Set up online and it usually takes three days. Pay yourself a regular "salary" or dividend from the business account into your personal account. This psychologically separates business profit from personal spending money and makes budgeting clearer.

Invoice Chasing and Cash Flow Hell

Clients will delay paying you. Some will delay a lot. A client owing you £5,000 for work you completed three months ago doesn't help when rent is due tomorrow.

Be professional but firm about payment terms. State on every invoice: "Payment due within 14 days" or "Payment due within 30 days". If it's a large client or you have cash flow concerns, ask for 50% upfront and 50% on delivery. This is completely normal and every established freelancer does it.

If an invoice is overdue, send a polite reminder within two weeks. After 30 days overdue, send a formal letter before action. Some invoicing software does this automatically. Your local Business Support Services can help with late payment advice and sometimes recovery.

What About National Insurance When You're Self-Employed?

As self-employed, you pay both employee and employer National Insurance (called Class 2 and Class 4). This is higher than what employed people pay and it's one of the reasons your tax bill feels shocking.

However, your State Pension contributions work differently. If you're earning below £11,908 (2025-26 threshold), you can make voluntary Class 3 National Insurance contributions to fill gaps and maintain State Pension eligibility. This costs roughly £163 per year and takes five minutes online. If you have irregular income, this is a safety net.

Your HMRC records will show you State Pension progress. Check this every couple of years to make sure you're not accidentally damaging your future pension with gaps in contributions.

You Don't Have an Employer Pension Anymore

An employed person at 25 typically has their employer automatically putting 3-5% of salary into a pension. As self-employed, nobody is doing that. You're on your own.

You need to set up a SIPP (Self-Invested Personal Pension) or a Solo Self-Employed 401(k) equivalent. A SIPP is a personal pension scheme you control. You can open one with many financial providers (Vanguard, Hargreaves Lansdown, AJ Bell) and contribute whatever you want, whenever you want.

The advantage is tax relief. If you contribute £4,000 to a SIPP, the government adds £1,000 in tax relief (20% basic rate). So £4,000 becomes £5,000 invested instantly. This is free money.

Start a SIPP in your first month of self-employment, even if you can only afford £100 monthly. Getting the compound growth running early matters more than the amount. By 45, you'll have a meaningful pension fund.

What Is IR35 and Could It Affect You?

IR35 is a tax rule designed to catch people who look like employees but claim to be self-employed (dodging tax and National Insurance). If you work through an agency or have a single client paying most of your income, the taxman might scrutinise you.

If you're genuinely self-employed (multiple clients, set your own hours, provide your own equipment, risk your own loss), IR35 probably doesn't apply. But if you're basically employed in all but name, the tax office will reclassify you as an employee and demand back taxes.

Protect yourself by having varied clients, writing contracts that show genuine autonomy, and keeping good records. If you're genuinely confused about whether IR35 applies, get advice from a tax accountant. It costs £200-400 and prevents a £10,000 headache.

Building a 6-Month Buffer Before You Jump

This is the single most important thing you can do. If your fixed costs (rent, insurance, food, utilities) are £2,500 monthly, save £15,000 before you hand in your notice. This is not optional. This is your safety net.

With a 6-month buffer, you can have three quiet months and not panic. You can turn down terrible clients who don't pay well. You can invest in your business without guilt. You can take annual leave without watching your account empty.

People who jump without a buffer end up taking rubbish work for rubbish pay within three months, which makes them miserable and actually breaks their financial situation long-term. Spend six months saving. Seriously.

Practical Setup in Your First Month

Week one: Register for Self Assessment and get your UTR. Open a business bank account.

Week two: Set up a SIPP with a provider you trust. Start a spreadsheet tracking income, expenses, and what you've set aside for tax. Create invoice templates with "Payment due within 14 days" clearly stated.

Month one: Get a rough idea of your annual expected income. Calculate 25-30% and set that much aside monthly into a separate savings account (not your business account, not your personal account, a third account specifically for tax). This removes the temptation to spend it.

Ongoing: Chase invoices within two weeks of due date. Review your income monthly. Check your State Pension National Insurance record annually.

Where Mona Fits

Going self-employed is exciting and terrifying. Mona helps you understand the financial obligations you've inherited (tax, National Insurance, pensions), plan cash flow around irregular income, and decide whether you're actually ready to make the jump (that 6-month buffer question). She can coach you through the mental shift of being responsible for your own finances. She can't file your tax return or manage your invoicing (that's your accountant and your systems), but she can help you understand the landscape and feel less alone in it.

The Bottom Line: Self-employment means you handle tax, National Insurance, invoicing, and pensions yourself. Set aside 25-30% of every invoice for tax immediately. Save six months of living costs before you jump. Separate your business and personal finances. Get your SIPP running on day one. The adjustment takes three to six months, and after that, most people wouldn't go back.

Start with Mona today.

For regulated financial guidance, visit MoneyHelper.org.uk.There are two main strategies for paying off multiple debts, and they're complete opposites. The debt snowball gets you quick wins, while the debt avalanche saves you money. Which one works better depends on whether you're motivated by momentum or mathematics.

How the Debt Snowball Works

The debt snowball is simple: list your debts from smallest to largest, then attack the smallest one first. You pay the minimum on everything else and throw every extra pound at the smallest debt. Once you've killed it, that payment amount rolls over into the next-smallest debt. The payments snowball in size, hence the name.

Example: You have three debts.

  • £500 overdraft (20% interest)

  • £3,000 credit card (19% interest)

  • £8,000 personal loan (6% interest)

Using the snowball method, you'd attack the overdraft first. Let's say you can afford £300 per month total. You'd put £100 on the overdraft (all of it goes there now), and pay minimums on the credit card and loan. Once the overdraft is gone after five months, you'd have £300 to throw at the credit card. The "snowball" has grown.

The psychological benefit is real. Winning against that first debt feels good, and seeing balances disappear motivates you to keep going.

How the Debt Avalanche Works

The debt avalanche ignores the size of the debt and instead targets interest rates. List your debts from highest interest to lowest, then attack the highest-interest debt first. You're minimizing the total interest you'll pay over time.

Using the same example, the avalanche method says to attack the overdraft first (20%), then the credit card (19%), then the personal loan (6%).

So with £300 per month available, you'd throw everything at the overdraft, but for a different reason than the snowball method. You're not targeting it because it's small, you're targeting it because it's the most expensive.

The avalanche method costs you less money in interest. It's mathematically superior because you're eliminating the highest-cost debt first, saving yourself from paying expensive interest for years.

The Maths: How Much Money Can You Actually Save?

Let's use concrete UK figures to show the difference. Imagine you have.

  • £1,500 overdraft at 39.9% APR

  • £2,000 credit card at 18% APR

  • £4,000 personal loan at 5% APR

You can afford £500 per month towards debt. Using the snowball (smallest first), you'd target the overdraft first. Using the avalanche (highest interest first), you'd also target the overdraft first in this case, because 39.9% is the worst rate.

The real difference shows up in scenarios where the highest-interest debt is also the largest. Imagine you had a credit card with £4,000 at 19% and a personal loan of £1,500 at 5%. The snowball says attack the loan first. The avalanche says attack the credit card first.

With the snowball, you'd kill the loan in three months, then focus on the credit card. With the avalanche, you'd target the credit card for longer, but you'd pay less total interest because you're eliminating the 19% faster. The avalanche method could save you hundreds of pounds over the debt payoff period.

The savings are real, but they require discipline and motivation that the snowball provides more naturally.

The Psychology: Why Quick Wins Matter

Here's the problem with purely mathematical advice: real humans aren't purely motivated by maths. If the avalanche method is boring and takes longer to see results, you might abandon it before reaching the finish line.

The snowball method is psychologically powerful. That first victory, eliminating an entire debt in just a few weeks or months, creates momentum. You start to believe you can actually do this. Each subsequent win reinforces that belief. By the time you reach your largest debt, you're fully committed.

If you're someone who struggles with motivation or has abandoned debt payoff plans before, the snowball might be worth the extra interest cost. Completing your plan is more valuable than saving £100 if completing it requires discipline you don't naturally have.

The avalanche method assumes you're motivated by the endpoint and comfortable with delayed gratification. If you are, great. If not, snowball wins.

UK-Specific Complications: Credit Cards and Overdrafts

In the UK, your most expensive debt is usually an overdraft. Arranged overdrafts now have a standard rate of 39.9% APR, making them the worst kind of debt you can carry. An unarranged overdraft is even worse at higher rates.

This often makes both methods agree: kill your overdraft first. Overdrafts are simultaneously small (often £1,000 to £3,000) and expensive (39.9%), so the snowball targets them by size while the avalanche targets them by interest rate.

The methods diverge when you have a large credit card balance at 18% and a smaller personal loan at 5%. That's when you have to choose: quick win (personal loan) or interest savings (credit card).

If you're in a real financial pinch, there's a third option: check if you can negotiate with your creditors. Missed payments and high interest rates sometimes prompt lenders to offer payment plans or interest freezes. It's worth asking before committing to either strategy.

Which Method Should You Choose?

Choose the snowball if: You're new to debt repayment and need motivation. You have multiple small debts. You struggle with discipline. Quick psychological wins matter more to you than saving £50 per month.

Choose the avalanche if: You're mathematically minded and motivated by saving money. You have one very large, high-interest debt. You're disciplined enough to stick with a plan that takes longer to show results. Months or years of interest savings matter to you.

If you're genuinely unsure, the snowball is probably safer. Most people who stick to a debt plan actually finish it. The average person trying the avalanche might give up halfway because they haven't seen a "win" yet.

The Hybrid Approach

You don't have to pick one method and stick with it forever. Some people use the snowball to build momentum and get their first two or three debts eliminated, then switch to the avalanche method for the remaining larger debts. This gives you the psychological boost of early wins plus the long-term savings of attacking expensive debt.

There's no penalty for switching methods. Your goal is to become debt-free, and if a hybrid approach gets you there faster than either pure method, that's the right answer for you.

Where Mona Fits

Both the snowball and avalanche methods require seeing all your debts in one place: their balances, interest rates, and minimum payments. Mona gives you exactly this view, making it easy to calculate which method saves more money and to track your progress as you chip away at each debt.

For free guidance on debt strategies and financial planning, visit MoneyHelper.org.uk, which offers tools and advice for managing multiple debts.

The Bottom Line

The debt avalanche saves more money, but the debt snowball builds momentum and gets debts eliminated faster. The best method is the one you'll actually stick with, and that usually depends on whether you're motivated by quick wins (snowball) or long-term savings (avalanche). Use Mona to see all your debts together, pick the method that matches your personality, and commit to it until you're debt-free.

Join Mona’s early access waitlist

Join the waitlist

All articles