The Debt Avalanche method is a strategy for paying off debts efficiently. It involves prioritizing debts based on their interest rates, starting with the highest rate first. By focusing on the most expensive debt, you can save money on interest over time and pay off your total debt faster. Once the highest-interest debt is paid off, you move to the next highest rate, continuing this process until all debts are cleared. This method is often compared to the Debt Snowball method, which focuses on the smallest debts first. The Debt Avalanche is generally more cost-effective in the long run.