8. "Our maps create headaches for homeowners."
It's not just home buyers who are at the mercy of listing sites. In recent years, sites like Homes.com, Realtor.com and Zillow have introduced technology that gives homeowners an estimate of what their home is worth. But critics say those values are often wrong...
Areas with a low turnover...are prone to more automated valuation errors and large swings, says Gary Painter, research director at the Lusk Center for Real Estate...
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