Our neighbor stuck a note to our car: "One car per house!" Then one day, she showed up in person. I opened the door. There stood a woman in a pastel pink cardigan, a matching headband, and white capri pants. "Our HOA—very friendly, but firm—has a rule about cars," she said. "Only one car per household in the driveway." I blinked. "One car?" "Yes," she said, her tone tightening. "No exceptions. Keeps the neighborhood looking nice and tidy." Jack raised his eyebrows. "But we're not parking on the