" I started taking walks
with my children on trash day just to collect the extra proofs of
purchase. We’d roam the alleys together, stopping at each diaper
box. I learned to swiftly tear the proof of purchase off in a stealth
maneuver I’d refined with practice: pushing the stroller up close
to the box, bending down as if tying my shoe, and ripping off the
qualifier, all in less than thirty seconds. "

― Mary Potter Kenyon , Coupon Crazy: The Science, the Savings, and the Stories Behind America's Extreme Obsession