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 The ABC’s of Auto Insurance What kind of auto insurance should you have? Do you know? Behavioral Finance An amusing and whimsical look at behavioral finance best practices for investors. Tax Rules When Selling Your Home The tax rules governing profits you realize from the sale of your home have changed in recent years.