What Is the Debt Avalanche Method (and How to Get Started)

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You’ve been making payments every month. You’re not missing due dates. You’re doing everything right, and yet the interest keeps piling on faster than your balances drop. It starts to feel like you’re running in place. If that sounds familiar, you’re not doing it wrong. You might just be missing the debt avalanche method.

Why Your Payoff Order Matters More Than You Think

Most people pay debts in whatever order feels natural: highest minimum payment, oldest account, or whatever shows up first in their banking app. The problem is that without a strategy, a disproportionate share of every payment can go toward interest rather than principal. Over the life of a $10,000 balance at 24% APR, paying only minimums can mean years of payments and thousands of dollars in interest charges before the balance meaningfully moves.

The debt avalanche method exists to fix exactly that. By targeting the highest-interest debt first, you reduce how much interest accumulates across all your accounts over time. For people carrying high-APR credit cards alongside lower-rate student loans or auto loans, the difference can amount to hundreds or even thousands of dollars saved.

What Is the Debt Avalanche Method?

The debt avalanche is a debt payoff strategy where you make minimum payments on all your debts, then direct every extra dollar toward the account with the highest interest rate first. Once that balance is paid off, you roll that full payment amount toward the next-highest-rate debt, and so on.

The name comes from the momentum that builds: as each high-rate debt disappears, more money becomes available for the next one, accelerating your payoff over time.

Certified financial planner and author Ramit Sethi, who has written extensively on debt strategy in “I Will Teach You to Be Rich,” describes the avalanche as the mathematically optimal approach to debt payoff. It minimizes total interest paid when followed consistently. The CFPB similarly identifies targeting high-interest debt as a foundational strategy for reducing the long-term cost of debt.

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The debt avalanche is closely related to the debt snowball method, which targets the smallest balance first rather than the highest rate. Both are legitimate approaches; the right one depends on your psychology and situation.

How the Debt Avalanche Compares to the Debt Snowball

Understanding the difference between these two methods helps you pick the one you’ll actually stick with, which matters more than which one is theoretically superior.

Debt Avalanche Debt Snowball
Target first Highest interest rate Smallest balance
Primary benefit Saves the most money Fastest early wins
Best for People motivated by math and long-term savings People who need psychological momentum
Potential downside Slower early progress if highest-rate debt is large Pays more in interest over time

A 2016 study published in the Journal of Marketing Research found that people who focused on eliminating individual debts, rather than reducing overall balance, paid off debt faster. This is why the snowball works psychologically for many people, even though the avalanche wins on interest math. Neither approach is wrong; the best one is the one you’ll follow through on.

How to Get Started With the Debt Avalanche

1. List Every Debt You Owe

Before you can sequence anything, you need the full picture. Pull your credit report at AnnualCreditReport.com (the federally authorized source) and list every account with three pieces of information: the current balance, the interest rate (APR), and the minimum monthly payment.

Don’t skip this step or estimate. Interest rates vary significantly even between cards from the same bank, and many people discover accounts they’d forgotten about. Many also find rates higher than they remembered.

2. Rank Your Debts by Interest Rate

Once your list is complete, sort it from highest APR to lowest. This becomes your payoff order. The account at the top of that list is your avalanche target. That is the one you’ll throw every extra dollar at first, regardless of its balance size.

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For most people, high-APR credit cards end up at the top. The average credit card APR in the U.S. was above 20% as of 2024, according to Federal Reserve consumer finance data. Personal loans and store cards often land in the same range. Student loans and auto loans typically fall lower on the list.

3. Find Your Extra Dollar

The avalanche method requires at least some money beyond your minimum payments to work. That extra amount doesn’t need to be large to matter. Even an additional $25 or $50 per month accelerates your payoff timeline.

To find it, total your take-home income and subtract all fixed monthly expenses, then your minimum debt payments. What remains is your starting point. From there, look for one or two categories where spending could temporarily shift (dining out, subscriptions, entertainment) without making your life unmanageable. You don’t need to find $500 to make this work. Find what’s real and sustainable.

If there’s truly nothing left over right now, the most immediate priority is stabilizing your income or cutting a fixed expense, not optimizing payoff order. The avalanche only works when there’s something extra to direct.

4. Automate Minimum Payments, Then Manually Direct the Extra

Set every minimum payment to autopay so you never miss one and never have to think about it. Then, each month, manually direct your extra amount to your top-priority (highest-rate) account. Keeping this step manual keeps you engaged with the process, and visible progress tends to reinforce the behavior.

Behavioral economist and Nobel laureate Richard Thaler, whose work on “Nudge” theory documents how default behaviors shape financial decisions, has shown that automating baseline behaviors while keeping discretionary choices active tends to produce better long-term follow-through than full automation or full manual management.

5. Roll Payments Forward When an Account Is Paid Off

This is where the avalanche gains speed. When your first target account reaches zero, don’t absorb that freed-up payment back into general spending. Add it entirely to the minimum payment you’re already making on the next-highest-rate account. Over time, this compounding effect means you’re directing more money toward each successive debt than the last.

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What to Watch Out For

The most common reason the debt avalanche stalls is discouragement. If your highest-rate debt also carries a large balance, it can take months before you see that balance drop meaningfully. That plateau can feel like the method isn’t working when it is.

If you find yourself losing motivation, consider a hybrid approach: identify whether there’s a smaller high-rate balance you could clear quickly to build momentum, then return to strict avalanche order. The CFPB notes that any consistent debt payoff strategy outperforms no strategy, so adapting to keep yourself engaged is legitimate.

Also watch for balance transfer offers and consolidation during this process. A balance transfer to a 0% promotional APR card can accelerate avalanche payoff significantly, but only if the transfer fee is lower than the interest you’d pay otherwise, and only if you don’t add new charges to the transferred card. Run the math before you move.

Try This Week

  • Pull your free credit report and list every account with its balance, APR, and minimum payment
  • Sort that list from highest APR to lowest: this is your avalanche order
  • Add up all your minimum payments and subtract from your take-home income
  • Identify one expense category where you can find an extra $25 to $100 this month
  • Set all minimum payments to autopay
  • Direct your first extra payment to your highest-rate account
  • Write down the payoff date estimate for your top-priority account (most credit card issuers show this in online account dashboards)
  • Set a calendar reminder to reassess in 30 days and confirm your extra payment is still going to the right account
  • Read more about how to choose between debt payoff strategies on the National Foundation for Credit Counseling website

Final Thoughts

The debt avalanche won’t feel dramatic at first. Progress on a high-balance, high-rate account is slow in the early months, and that can be hard to sit with when you’re already tired of carrying debt. But the math works in your favor every single month you stay with it. Pick your highest-rate account, find the extra money, and make one focused payment this week. The momentum builds from there.

Photo by Kit (formerly ConvertKit): Unsplash

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Josh is a personal finance writer and Founder of MoneyBuffalo.com. He has been featured in publications like Student Loan Hero, Well Kept Wallet and the US News and World Report.