It is often quoted that first impressions are important and this is doubly so if you take into account confirmation bias. Confirmation bias happens when we cherry pick information or interpret information that supports our currently held beliefs. For example, if you initially form a positive view of a property you might overlook flaws later discovered. The corollary of this, is if you form an initial negative impression of a property then you are going to be less likely to give the correct weight to later positive information about a property. To make the best decisions about which property best suits your needs, focus on keeping an open mind throughout the entire process of evaluation..