True North
The debt snowball and debt avalanche use the same basic structure: make every required minimum payment, choose one debt for extra money, and roll that payment into the next debt when the first is gone. The difference is the order.
The avalanche targets the highest interest rate. The snowball targets the smallest balance. One generally reduces interest cost; the other creates earlier completed accounts. The useful question is not which method wins in theory, but which tradeoff fits your numbers and behavior.
How the Debt Avalanche Works
List debts from highest interest rate to lowest. Pay every minimum, then direct all available extra payment to the highest-rate debt. After it is paid, move its full payment to the next-highest rate. The Consumer Financial Protection Bureau calls this the highest-interest-rate method and notes that eliminating the costliest debts first can save money over the repayment period.
How the Debt Snowball Works
List debts from smallest balance to largest, regardless of rate. Pay every minimum and target the smallest balance with extra money. When it is paid, roll that payment to the next-smallest balance. The CFPB describes the advantage as seeing progress sooner, while warning that ignoring higher-rate balances can cost more overall.
| Question | Snowball | Avalanche |
|---|---|---|
| First target | Smallest balance | Highest interest rate |
| Primary benefit | Earlier account payoffs | Lower interest cost |
| Primary tradeoff | May cost more | First payoff may take longer |
An Example Repayment Order
Suppose you have a $900 medical balance at 0%, a $3,500 credit card at 24%, and a $7,000 loan at 9%. The snowball begins with the $900 balance. The avalanche begins with the 24% card. Both keep minimum payments current on all three; only the destination of the extra payment changes.
To compare the true payoff dates and interest, you also need minimum-payment rules, compounding, fees, and the amount of the extra payment. A simple ordering table cannot calculate those results accurately.
How to Choose
- Choose avalanche when minimizing interest is the main priority and you can stay engaged through a longer first payoff.
- Choose snowball when closing a smaller account soon would make the plan easier to maintain.
- Consider a deliberate hybrid when one small balance can be removed quickly, followed by highest-rate order. Compare the cost before deciding.
- Revisit the order when a promotional rate expires, a variable rate changes, or a balance is transferred.
Do Not Treat Every Debt as Interchangeable
A payoff ordering method does not replace decisions about overdue housing, utilities, taxes, secured loans, court obligations, or accounts with special protections or consequences. Bring required payments current and understand the terms before sending extra money elsewhere. If you cannot make minimums, contact the creditor promptly and consider qualified nonprofit credit counseling or appropriate professional guidance.
Build a Plan You Can Repeat
- Record each balance, interest rate, minimum, and due date.
- Choose an extra payment the monthly budget can actually support.
- Select an ordering method and document the reason.
- Confirm how each lender applies extra payments.
- Update balances monthly and recalculate after any material change.
Comparing Strategies in True North
True North's Payoff Insights compares your current schedule, snowball, and avalanche using the balances, rates, payments, and extra amounts you enter. It shows projected payoff time and interest for each approach and can model extra monthly or lump-sum payments. The projection is only as current as those inputs, so update changed balances and rates during your monthly review.
Consistency Is Part of the Math
Avalanche is the cost-minimizing order when all other assumptions stay equal. But the plan still has to survive ordinary months. Choose with the numbers visible, keep minimums protected, and use a payment amount you can repeat without immediately borrowing it back.