Look closely at some of the hottest housing markets in the nation right now and you’ll find many of the homebuyers driving up the sales figures are real estate investors.

They bought one out of every five homes last year, according to the National Association of Realtors. And many are snapping up deeply discounted foreclosed homes and other distressed properties in places like Las Vegas and Phoenix.

Looking to make money off investors looking to make money, several Web sites are now vying to be the go-to portals for real estate prospectors.

* Full story available on The Mercury News