Two debt payoff strategies dominate every personal finance conversation, and they produce wildly different results.
The avalanche method targets your highest interest rate first, while the snowball method knocks out your smallest balance first.
Your bank account only cares about one of them.
With avalanche, you list debts from highest APR to lowest and throw every spare dollar at the top one while paying minimums elsewhere.
With snowball, you list them smallest balance to largest and clear the quickest win first, then roll that payment into the next debt.
Both require paying minimums on everything.
The only variable is which balance gets your extra cash.
Federal Reserve data shows average credit card rates hovering near 20% or higher, and a personal loan might sit at 11%.
If you owe $3,000 at 24% and $8,000 at 12%, avalanche kills the expensive debt first and can save hundreds in interest over a year.
Run the numbers on a payoff calculator and the difference can stretch into four figures on larger balances.
But avalanche has a hidden failure mode: it can take months before you close a single account.
That's a long stretch of watching a big balance barely budge, and it's exactly when people quit.
Clearing a $400 medical bill in six weeks feels like progress, and that feeling is what keeps the plan alive long enough to matter.
A widely cited study found that consumers who paid off smaller debts first were more likely to stick with their payoff plan and eliminate balances entirely, even when it cost them more in interest.
Getting out of debt at all beats optimizing a plan you abandon in March.
If you're disciplined, motivated by numbers, and your highest-rate debt isn't wildly larger than the rest, go avalanche.
If you've started and quit before, if your balances are close in size, or if you need momentum to stay engaged, go snowball.
The best method is the one you'll still be running in six months.
Call every lender and ask for a lower rate, since a single phone call can drop an APR by several points.
Consider a 0% balance transfer card, but do the math on the 3% to 5% transfer fee first.
And build a $1,000 starter emergency fund before going aggressive, because an unplanned car repair will otherwise send you straight back to the cards.
The bottom line: avalanche is the cheaper strategy on paper, but snowball wins more often in real life because it survives contact with human nature.
Final Thoughts
Pick based on your track record, not your spreadsheet.