Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Mortgages in Retirement Explore the benefits and drawbacks to paying off your mortgage prior to retirement with this article. The Business Cycle How will you weather the ups and downs of the business cycle?