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It's hard to imagine that home prices could get any cheaper in Detroit, says CNNMoney.

Hit hard by the auto industry's financial troubles and the housing bust, median home prices in the area have been cut almost in half to $78,000 from a 2004 high of $157,000, according to the National Association of Home Builders.

And with rents on the rise -- up 5% over the past 12 months, according to Rent Jungle -- these beaten down home prices have created a nice opportunity for investors.

Read more: CNNMoney