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 Question Thank you! Oops! Related Content How Stocks Work Understanding how a stock works is key to understanding your investments. SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement. Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic.