From the Wall Street Journal:

"Over the past 18 years, after-tax mortgage payments have averaged 26% more than rent payments, according to Green Street Advisors, a real-estate consultancy based in Newport Beach, Calif. In 2006, at the height of the housing bubble, mortgage payments reached as high as 66% more than rent payments. But by the end of 2008, average monthly rent for the largest 50 metropolitan areas was $1,045, compared with after-tax mortgage payments of $1,300, assuming a rate of 5.5% on a 30-year fixed mortgage. That means mortgage payments averaged just 24% more than rent payments, the narrowest gap since 2001."

If mortgage rates hit 4.5% - which some economists say is probable - mortgage payments would average 14% more than rent payments, the cheapest since 1998.

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