Unless you would happen to qualify for public assistance, you'd be nearly starving and exposed to the elements. You simply can't meet basic needs on your own with that without outside support. There are a few exceptions for temporary circumstances (You might be able to farm and live in your paid-off house, for example, but without utilities - and you'd be out of luck when your first property tax bill arrives).

cardboard box and a cheeseburger for lunch (dumpster diving for dinner)