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 Is a SEP-IRA Right for Your Business? For some, the idea of establishing a retirement strategy evokes worries about complicated reporting and administration. When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Bull & Bear Markets: A Timeline This helpful infographic will define bull and bear markets, as well as give a historical overview.