An economic collapse could mean total chaos for the U.S. -- looting, riots and civil unrest are top concerns. In Washington state, Steve works with a stern hand to prep his family for the potential threat. South Carolinian David Appleton is a comedian, but the idea of a devastating earthquake is no joke to him. His job doesn't always pay the bills, so David must Dumpster dive to find supplies to make a DIY camouflage net to hide his preps.