Just do the simple thing and get a list of bank owned homes in your area. The first thing to look at is the roof! I could (no bullshit) drive up to the front of the house and tell within 10%+/- what it would cost to bring up to a nice home. The largest expense is the roof. If the roof is a peice of shit than you have to calculate in water damage, rot, etc. So if the roof looks ok then the house should be workable. Don't buy a house with a new roof unless its from a bank. You will ask for a 2 year roof cert anyways which will cover you in the event of issues. Damn I could go on for ever... Simplest way for the lazy people is to go to the websites for RE angents listing homes they will now have a section specifically listed for REO homes. You should be able to find a list of homes in your area that the bank owns in most cases they will take a 30% hair cut! They are screwed and need to get this LIABILITY off their books. I won't go into why its not an asset, just know its not! In my area there are thousands of them and probably 5-10 a day. The steps on the courthouse where there used to be 50-100 people trying to buy a house are empty! No one would buy a house at an auction right now; when you can get a discount from the bank. Don't use a pay site unless it is Realtytrac.com, their data is somewhat suspect. Don't call the listing agent of a home thinking they will work on your behalf and get you a great deal so they can make a commision on both sides of the deal. They don't care 2 shits about you. They are dedicated to the bank that feeds their families with the listings they get.
Ok if you have any questions hit me up I don't know it all but I have seen alot.