Short sales have played a big role in the recovery from the financial crisis. And many people are still trying to sell homes at a loss just so they can get out from under a bad deal on their home. But now it appears that some real estate agents and cash investors have been working together to double and triple dip on commissions and make sure that the houses they're buying are a good business deal. It's not illegal but it does raise ethical questions. The state of Nevada will now investigate.