If you haven't read it yet, Get the book "Patriots" by James Wesley Rawles. It a great story that centers around a group of friends survival after a total economic collapse. In these times we're living now, this is a plausible story.
__________________ If ye love wealth better than liberty, the tranquility of servitude better than the animating contest of freedom, go home from us in peace. We ask not your counsels or arms. Crouch down and lick the hands which feed you. May your chains set lightly upon you, and may posterity forget that ye were our countrymen. ― Samuel Adams