my mom is a realtor.. i can't tell you enough how many people buy a house.. and a year later have a soaking wet basement, or plumbing struck a leak.. its a good idea to have 2 inspectors.., some things to look for..
a dry basement,if its damp.. or wet that either means broken pipe, or the house leaks in stuff from outside..
has to have a fish room.. i need not explain..
make sure all your stuff will fit, it really sucks when you move into to small of a house, and have to leave behind some of your stuff
look for a good community, good neighbors
and if you get a realtor, don't let her/him pressure you into ANYTHING.. make sure it is THE HOUSE for you..