During the process of buying a home, some buyers fall into the trap of being infatuated with numbers and prices, but with a very narrow focus of simply purchase price. Buyers often immerse themselves in the excitement of envisioning their new space without carefully considering all of the expenses related to the BIG move.
http://www.homes.com/real-estate/buying-a-home/top-5-things-people-overlook-when-buying-a-home/