If you are an urban survivor or even a suburban survivor you need to do everything you can to get a coop and get some chickens. The feeling you get when you realize you have a protein source in eggs in your backyard is incredible. You are only one rooster away from having a renewable source of eggs and even meat. Having access to this protein is a game changer when survival takes over.
Of course, the process of keeping chickens means you are responsible for keeping these creatures alive. They will be tasty for your family and also for predators. Beyond that you are going to have to care for your chickens in the elements. They will have to survive the cold winter. This is a great look at how to insulate the chicken coop on the cheap. This method coupled with deep bedding will help your chickens stay comfortable through the winter.