One item that you definitely need in your prepping supplies is at least 1 good Tarp. The more the merrier. Tarps can be used for so many things I cannot possibly list them all. Here are a few that come to mind.1) A Tent.
2) Bottom of your tent for extra protection.
3) A Hammock.
4) Firewood cover to keep it dry.
5) Making a solar still to make drinking water.
6) Patching holes in your damaged shelter.
7) Wrapping a body before burial.
One suggestion. Get the thicker tarp. Your life may depend on it and you don’t want it too thin and easily ripped.