As if by magic, he pulled a folded one-hundred-dollar bill out of a pile of gray lint. “Look what I found,” he said, waving it in the air with a flourish. My wife and I stared at him the same way we did when David Copperfield made the Statue of Liberty disappear. You know the look - mouth slightly open, eyes fixed, brain scrambling to processes what the eyes have just seen.  Talk about money laundering.  It’s a rare day indeed when an appliance repairman comes to make a servi