Buying a new house is a big step. Not only does it signal hope for the future, but it is a major investment. Even so, not everyone approaches looking for a new home in the same way. Many people simply gather all of the real estate listings they can and go around looking at as many as possible. Others, however, are more diligent and discerning. Instead of gathering the longest list of homes to look at, they only keep a list of those that meet their certain criteria.