When you purchase a home, even a home that isn't new, there is a very good chance that you will be offered a home warranty. The seller may offer to purchase one on your behalf to provide peace of mind that any component of the home that fails can be fixed affordably. If not, you will likely receive numerous mail solicitations to purchase a home warranty once the sale closes. But do you really need a home warranty? Learn more in my Financial Edge article for Investopedia.