[header] How to negotiate the best offer on a foreclosure or pre foreclosure [title] Check local sources. [step] Foreclosure listings can be found in a variety of different places. Start by looking in the back of your local newspaper for foreclosure auctions. 
You can then visit the auctioneer's website for more information. Alternately, some real estate websites like zillow.com and realtytrac.com will allow you to easily filter a real estate search for foreclosed properties.