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Debt Management

Debt Snowball vs. Debt Avalanche: Mathematical Comparison of Payoff Methods

HC
HyperCalc Editorial Board
• • 8 min read

When eliminating multiple credit cards, auto loans, and personal debts, borrowers face a key strategic decision: pay off smallest balances first (Snowball) or highest interest rates first (Avalanche)?

Debt Avalanche: The Pure Mathematical Champion

Order debts from highest APR to lowest APR. By aggressively attacking high-interest credit card debt (e.g. 24% APR) first, you minimize total lifetime interest paid to lenders.

Debt Snowball: The Behavioral Psychology Winner

Order debts from smallest balance to largest balance regardless of rate. Clearing a small $600 medical bill in two months provides quick psychological momentum that prevents borrowers from abandoning their plan.

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Frequently Asked Questions

How much money does the Avalanche method save?

On $30,000 of mixed debt across credit cards and personal loans, the Avalanche method typically saves between $1,500 and $4,000 in interest over the Snowball method.