Robbie Crager bought his first house at 25 with no money, bad credit, and no idea what he was doing. He had just lost a corporate job and had watched Carlton Sheets on late-night television promise he could buy a house with no money down. So he found a wholesaler in the newspaper, contracted the house, and jumped in with both feet while everyone around him begged him not to. Twenty-eight years and thousands of flips later, he calls it one of the best deals he ever did. This week on Real Est...