Next, look at ways to become more self-sufficient in water. If you already have a well you’re sorted. Otherwise consider a rainwater catchment system. If you have a stream or river nearby you could build a large water filter and run a pipe to it from the stream, giving you a constant filtered supply. Be adaptable, but find something – without water, your refuge is unsustainable.
Though its light weight and long shelf life are ideal for navigating harsh conditions, freeze-dried food is probably most famous as a cultural curiosity: Like many Americans, I discovered it in a museum gift shop, gawking at the styrofoam-like ice cream that astronauts used to have for dessert. More recently, I encountered it at a disaster preparedness convention in Raleigh, North Carolina, where smiling, gray-haired preppers manned tables piled with plastic bags full of vegetables, meats, and stews.