August 4, 2014 Jennifer Vickers Selling, Buying Home Warranties: What is that and why do I need one? August 4, 2014 Jennifer Vickers Selling, Buying If you're buying or selling a home, you've no doubt heard the terms "home warranty" and "residential service contracts" thrown around. Sounds good, but what are they? How do you get one? What do they cover? What do they cost?