All the power goes out, and just for the heck of it you try and start your car and it doesn't respond not only that all other vehicles are stalling and people are leaving the buildings and wandering out side . You dig into your emergency radio packaged in a faraday bag and there are no stations active . It is pretty clear that the event is wide spread, so what are you priorities ? This is not an opinion pole but a personal prep for what "you" expect to do in the event your caught out away from home and need to return ASAP . For me, 1. Seek water to fill my collapsable containers in my EDC bag .nothing is more important at this moment. 2. Review and test electronic gear in my bag and discard what's dead . 3. Gather materials and gear from the vehicle , and prepare to hike home. 4. Avoid contact and conversation. silent observer. It would be particularly difficult if I've been shopping and had load of food that will spoil if not refrigerated. However it likely will spoil on the trip walking home if I could carry it . Barter might be practical, if people could at that point appreciate it. I keep a fold up cart handy in the car, in the event I do have to walk it home even if all I end up carrying is my EDC back pack . I sometimes travel some distance from home 40 -60 miles or so , and have maps of both southern California and a few of the surrounding towns. Not afraid to go cross country if necessary, being skilled in map and compass . If it occurs during the summer months, then travel at night is the only way to go, due to the heat. It may take days to get home depending on obstacles along the way and society will be on the constant melt down as each day deteriorates in social break down. there are a lot of cities her very crowded and close together. I can only assume that things at home will be some what tense ,so getting home might require stealth . Weather will alter any one's plans, and certainly other extenuating circumstances of health and injury will have a detrimental effect too . All the more important to have a plan , then to have no plan and no courage to fallow it.