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 A Bucket Plan to Go with Your Bucket List A bucket plan can help you be better prepared for a comfortable retirement. Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. Mutual Funds vs. ETFs Exchange-traded funds have some things in common with mutual funds, but there are differences, too.