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Foreclosure filings — including default notices, scheduled auctions, and bank repossessions — were issued on 230,678 homes in October, up 7 percent from September but 31 percent below the level of October 2010, according to the report issued by RealtyTrac. What does this mean for the Chicago real estate market and does this create an investment opportunity? Zapwater client Lee Kiser of Kiser Group discusses.