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 Message Thank you! Oops! Related Content Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds. Take the Headaches Out of Tax Season How to make your life go a little bit smoother as you prepare your returns during the coming tax season. Amazon, Tesla and Hindsight Bias “In looking back, I knew it all along.”