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 Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article. Keeping Summer Safe: Pool and Spa Safety Tips Each year hundreds of children die or are injured in pool accidents. By taking seven steps, you can keep your pool safe. When Do You Need a Will? When do you need a will? The answer is easy: Right Now.