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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Should You Consider an Annuity for Retirement? Annuities are a popular and well-established method of providing a secure retirement income. Here are our answers to a few of the most common questions asked by people who are considering this option. Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. The Right Time to Buy an Annuity Knowing when to buy an annuity can make a big difference. Learn how timing can influence your decision about if and when to buy.