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. Related Content The Latte Lie and Other Myths Check out this video to begin separating fact from fiction. Financially Savvy at Six Figures Help your clients with these practical steps to make the most of their six-figure income. When Heirs are Imperfect The money problems or bad lifestyle habits of adult children could lead to the squandering of any inheritance they receive.