First things first, you need weapons. Build up your supply. Guns and Ammo ar numro uno. Then protection. Build a very good place in some place that suits you. Make sure that it is unpenatratable(is that a word?)And food, you need food. Gather you a supply of food or get it from a source, like a traveling salesmen. Then sit there and wait for the fuckers to come. Next you blow them to hell and back again. This should get you a very long ways. if not you didn't follow the plan close enough. Go back and try again. Wait it's not that easy, your dead.