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I was "paying off debt" for 18 months and barely moved. Now I Know what I was doing wrong.

Every month, I'd pay my minimums plus throw an extra $80-100 at whatever felt most stressful at the time. I told myself I was making progress. My total debt barely changed.

Finally sat down last week and actually modeled it properly using repayoff.com/debt-payoff-calculator. What I found was a gut punch:

My 3 debts:

  • Credit card: $4,800 at 23% APR

  • Personal loan: $7,200 at 12% APR

  • Old medical bill: $950 at 0%

What the calculator showed:

At my current "random extra payment" approach → paid off in 5.1 years, $3,940 in interest.

Debt Avalanche (credit card first, same total monthly payment) → paid off in 3.4 years, $2,100 in interest.

That's $1,840 saved and 20 months cut off, just by changing the ORDER I pay them. Not paying more. Same money. Different order.

The thing that actually broke my brain: the calculator shows you month by month how each balance changes. Watching the credit card hit zero on month 14 on a chart made it feel real in a way that spreadsheets never did for me.

What I'm doing: Avalanche. The credit card interest was eating me alive, and I didn't fully realize it until I saw the numbers side by side. Check Your's at https://repayoff.com/debt-payoff

I lost 18 months of payments without a clear strategy. Don't do what I did.

Does anyone else have a moment where actually seeing the math changed how you approached your debt? Curious if people find the psychological win of Snowball worth the extra interest cost.