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 Tax & Estate Strategies for Married LGBTQ+ Couples Learn how to maximize your tax and estate strategy as a married member of the LGBTQ+ community. Estimating the Cost of College This worksheet can help you estimate the costs of a four-year college program. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate.