9. Head examination and a state-of-the-art fire alarm/emergency communications system
Attribution: Hieronymus Bosch (circa 1450–1516) [Public domain], via Wikimedia Commons
Never mind the leg stuff -- it's a zombie apocalypse, what are you doing outside, are you crazy!? Get inside! However, once inside, you'll need to stay as safe as possible from both the zombies and any wider conflagration, by deploying a (cough) killerfire alarm and emergency communications system that can protect numerous sites.