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 Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Keep Your Life Insurance When You Retire This article is perfect for those looking to maintain their life insurance or explore alternate options during retirement. The Right Time to Buy an Annuity Knowing when to buy an annuity can make a big difference. Learn how timing can influence your decision about if and when to buy.