Spend 6 months learning. Cash is king. Start with learning your states laws and learn you County courthouse like the back of your hand. Track the properties from the newspaper or courthouse, ride by them, send letters to the owners, attend auctions, sit in a few bankruptcy hearings, study hud foreclosures, call some reos, again all from county courthouse, you WONT FIND IT ON an internet list of foreclosures, by then the pros have been there. Spend 6 months learning.
Cash is king.