Penny
Penny
Financial Planner
Debt payoff and investing plan in Google Sheets
By Penny TeamJanuary 26, 2026

Pay Off Debt or Invest First? A Practical Rule + Example Numbers

Problem: You want progress on debt and investing, but you do not want a plan that breaks your cash flow.

Promise: Use a simple APR rule to decide the priority, then build a “do both” plan that sticks.

If you want a money manager, not just another budget, see Money Manager for Sheets.

Decision table: APR vs expected return

Debt APRExpected returnDefault move
18% credit card6–8% investingPrioritize payoff
6% student loan6–8% investingDo both
3% mortgage6–8% investingInvest + minimums

The “do both” baseline

For the full framework, read should I pay off debt or invest first?. If you want the month‑by‑month structure, see how to balance debt payoff and investing.

You can also visit the finance answers hub or calculate your investing number in how much should you invest each month.

Want one plan you can maintain in Google Sheets? Start with Penny’s Google Sheets plan.

Want to try Penny in Google Sheets?Open the free Google Sheet.

Or browse Finance Answers for fast, decision-focused help.