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 What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children. Should You Invest in Exchange Traded Funds? There are thousands of ETFs available. Should you invest in them? Filing Final Tax Returns for the Deceased The federal government requires deceased individuals to file a final income tax return.