This is a  priority breakdown of how one should set out to start a survival situation with almost no gear and their knife! First Day- Build a shelter the first morning and get the shelter to a comfortable level of warmth for your climate. It must be dry, warm, and provide a place to store things. Custom debris hut is usually first choice in most climates in our area. I will make sure that my shelter is located reasonably close to a water supply. While I am gathering shelter