Finding the right house to buy is never easy; selling a home today is also challenge. It's best to prepare yourself for obstacles that could cross your path so that you're prepared should they arise.
In some markets, one in three transactions doesn't close. This is a high ratio compared to the fallout ratio in previous years when the housing market was stronger and financing options were plentiful. In past years, most transactions fell apart over inspection issues. The biggest hitch today is financing, which is not to say that property defects don't come into play.