Have you ever seen those infomercials about buying houses with "No Money Downwards?" They are really well done. They have all kinds of folks offering great testimonials about how they've got gotten rich, buying rental properties, with absolutely no money out of their pocket. You check this out guy, standing on a street corner, dealing with someone, and he says, "I own that one," pointing to a beautiful colonial. "I also own that one next to it, and the one two doors down, and I'll be closing…