I believe that when you purchase a home you should be fully informed in every aspect of that purchase. What will my new taxes be? What is the sales history on the house? How much will it cost to drive to work? The farther out you buy usually results in a lower purchase price for a comparable home. One of the things you should consider is the difference fuel expense as well as the difference in mortgage payment and taxes. So below is a comparison calculator to help you make that very important decision.