Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Related Content To Buy or Not to Buy The decision whether to buy or rent a home may have long-term implications. Countdown to College Preparing for college means setting goals, staying focused, and tackling a few key milestones along the way. Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile.