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. Fixed or Variable Mortgage, Which Should You Pick? When selecting a mortgage, one of the most critical choices is between a fixed or variable interest-rate mortgage. Managing Your Lifestyle Using smart management to get more of what you want and free up assets to invest.