How to Pay Off Debt Fast: The 2 Best Strategies (Snowball vs Avalanche)

Debt Is the Biggest Barrier to Financial Freedom

You can't build wealth while you're paying interest to someone else. Every euro that goes to debt payments is a euro that isn't going to your savings, investments, or the things you actually care about.

The good news: there are proven strategies to pay off debt systematically — and they work regardless of how much you owe. The key is picking the right method for your personality and sticking with it.

First: Know What You Owe

Before picking a strategy, list every debt you have:

Write down the balance, interest rate, and minimum monthly payment for each. This gives you the full picture — which most people avoid looking at, but it's the essential first step.

Strategy 1: The Debt Snowball

How it works: Pay minimums on everything, then throw all extra money at the smallest balance first. Once it's paid off, roll that payment into the next smallest. Repeat.

The snowball in action

Using the example above, with €200 extra per month:

Month 1-6: Attack Credit Card B (€1,400) — pay €235/month (€35 min + €200 extra). Paid off in ~6 months.

Month 7-18: Roll that €235 into Personal Loan — now paying €315/month (€80 min + €235). Paid off in ~9 months.

Month 19-28: Roll €315 into Credit Card A — now paying €380/month. Paid off in ~10 months.

Continue with car loan, then student loan.

Why it works

The snowball method is psychologically powerful. Paying off that first small debt gives you a quick win — a dopamine hit that reinforces the behavior. Research by Harvard Business School found that people who focus on small wins are more likely to stay motivated and pay off all their debt.

Best for

• People who need motivation and quick wins
• Those with multiple small debts
• Anyone who has tried and failed with other methods

Strategy 2: The Debt Avalanche

How it works: Pay minimums on everything, then throw all extra money at the highest interest rate first. Once it's paid off, move to the next highest rate.

The avalanche in action

Same debts, same €200 extra:

First: Attack Credit Card B (22.5% interest) — €235/month until gone

Next: Credit Card A (19.9%) — roll payments

Then: Personal Loan (9.0%)

Then: Car Loan (5.9%)

Last: Student Loan (3.5%)

Why it works

The avalanche saves the most money mathematically. By attacking the highest interest rate first, you minimize the total interest paid over time. In the example above, the avalanche saves roughly €800-1,200 in interest compared to the snowball.

Best for

• Analytical people motivated by math and efficiency
• Those with high-interest debts (credit cards, payday loans)
• People who don't need quick wins to stay motivated

Snowball vs Avalanche: Which Should You Choose?

The honest answer: The best method is the one you'll actually stick with. A mathematically perfect plan you abandon in month 3 loses to a slightly less efficient plan you follow for 3 years.

If you're not sure, start with the snowball. You can always switch to the avalanche later once you've built momentum.

The Step-by-Step Action Plan

Step 1: Stop adding new debt

Cut up the credit cards if you have to. Switch to cash or debit for daily spending. You can't fill a bucket with a hole in the bottom.

Step 2: Build a mini emergency fund first

Before attacking debt aggressively, save €500-1,000 as a buffer. Without this, any unexpected expense goes right back on the credit card and destroys your progress.

Read our full guide on building an emergency fund.

Step 3: Find extra money

You need money above the minimums to make real progress. Sources:

• Cut small expenses that add up — find €100-300/month in leaks
• Reduce grocery spending — save €100-200/month
• Eat out less — save €150-400/month
• Sell unused items — one-time boost of €200-500
• Temporary side income — freelance, tutoring, gig work

Even €100/month extra makes a huge difference over 2-3 years.

Step 4: Pick your method and start

Choose snowball or avalanche. Set up the payments. Automate the minimums so you never miss one, and manually add the extra payment to your target debt each month.

Step 5: Track your progress

This is where most people fall off. Seeing your debt shrink month by month is incredibly motivating — but only if you actually look at the numbers.

Use Portofelo to track your accounts and see your balances change in real-time. When you watch that debt number drop every week, it fuels the discipline to keep going.

Step 6: Celebrate milestones

Paid off the first debt? Celebrate (cheaply). Hit the halfway mark? Acknowledge it. These moments matter for long-term motivation.

What About Debt Consolidation?

Debt consolidation means combining multiple debts into one loan with a lower interest rate. It can be useful if:

• You qualify for a significantly lower rate
• You have good enough credit to get a consolidation loan
• You won't run up the old credit cards again

It does not reduce what you owe — it just restructures it. If you consolidate €15,000 in credit card debt into a personal loan at 7% instead of 20%, you save thousands in interest. But if you then charge the credit cards back up, you're in twice as much trouble.

How Long Will It Take?

Depends on your debt and how much extra you can throw at it:

These are rough estimates — your interest rates and specific debts will vary. The point is: it's finite. There's an end date. Every payment brings it closer.

The Emotional Side of Debt

Debt causes shame, anxiety, and avoidance. Most people in serious debt avoid looking at their numbers because the feeling is overwhelming.

Here's the truth: the number doesn't get bigger when you look at it. It's already that number whether you check or not. Looking at it — and making a plan — is the moment you take back control.

You didn't accumulate this debt overnight, and you won't pay it off overnight. But every single payment is progress. A year from now, you'll wish you started today.

Start Today

List all your debts (balance, rate, minimum)

Save a €500-1,000 mini emergency fund

Pick snowball or avalanche

Find at least €100/month in extra payment money

Set up the payments

Track everything

The math works. The only variable is whether you start.