Reborn: My Doomsday Fortress

Evan Ford was pushed into zombies by his gold-digging girlfriend and died. Reborn 15 days before The Great Freeze, with millions, he converts his hometown into a steel fortress, stockpiles food, fuel, weapons. When The Great Freeze arrives, the world is frozen, overrun by zombies, but he lives comfortably. Enemies from his past life come to steal supplies; he activates defenses, using zombies to make them pay. He establishes a safe zone, protects family, dominates the post-apocalyptic world.