Housing is remarkably affordable these days.

A family earning the nation's median income of $64,000 a year could afford to buy 72.3 percent of all homes sold in the United States during the second quarter of 2009, according to the National Association of Home Builders and Wells Fargo.

Sellers are the ones who are paying the price. More than 30 percent of all homes sold during the second quarter sold for less than the sellers paid originally, according to Zillow.com.

A significant percentage of owners who bought within the past five years and sold during the quarter lost money on the deal, according to Stan Humphries, Zillow's vice president in charge of data and analytics.

[Editor's note: Although discussion of trends on a national level can be useful, conditions in a local market can be vastly different from what's happening statistically on a national level. For that reason, conditions for owners who've bought in the last five years might or might not resemble what analysts are seeing statistically on a national basis.]

Source: CNNMoney.com (08/19/2009)

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