16-block roundtrip passive-agressive strolls can do wonders for your cardiovascular health (assuming that those throbbing veins in your forehead don't burst meanwhile).
At least they don't have parking on their property. Our neighbor has room for 2-3 cars in their back driveway plus a full 2 car garage. She puts cones in the street in front of her house every single day, all day, to keep 2 street spots for her Range Rover and Mercedes. Nothing is ever parked in the back.