By January, 2015, Johnson was sounding the alarm: the tensions produced by acute income inequality were becoming so pronounced that some of the world’s wealthiest people were taking steps to protect themselves. At the World Economic Forum in Davos, Switzerland, Johnson told the audience, “I know hedge-fund managers all over the world who are buying airstrips and farms in places like New Zealand because they think they need a getaway.”
In both his book Rawles on Retreats and Relocation and in his survivalist novel, Patriots: A Novel of Survival in the Coming Collapse, Rawles describes in great detail retreat groups "upgrading" brick or other masonry houses with steel reinforced window shutters and doors, excavating anti-vehicular ditches, installing warded gate locks, constructing concertina wire obstacles and fougasses, and setting up listening post/observation posts (LP/OPs.) Rawles is a proponent of including a mantrap foyer at survival retreats, an architectural element that he calls a "crushroom".[8]
These individuals study End Times prophecy and believe that one of various scenarios might occur in their lifetime. While some Christians (and even people of other religions) believe that the Rapture will follow a period of Tribulation, others believe that the Rapture is imminent and will precede the Tribulation ("Pre-Trib Rapture[41] "). There is a wide range of beliefs and attitudes in this group. They run the gamut from pacifist to armed camp, and from having no food stockpiles (leaving their sustenance up to God's providence) to storing decades' worth of food.
The format is fairly standard for a "reality documentary". It does go with the more extreme folks rather than the more common folks who are just putting some things aside for rougher times. But that's OK, in most of the cases. I found many of the people to be pretty ingenious in how they've approached what they perceive to be The End Of The World As We Know It. Maybe they're right, maybe they're wrong. A few might even be slightly over the top (well, there are a few that I think put a step ladder on the top and went from there...) But they have what they consider to be valid reasons for doing what they're doing, so who am I to argue?

Car electricity runs on direct current, but almost everything else is alternating current. What you need: an inverter. Some cars have them built in, but you can get one at a store for less than $40. Use the clamps to attach the inverter directly to the terminals on your car battery. Let the car run at idle and you have 110-volt AC power for as long as you have gas. With a 300-watt inverter, you'll have enough amps to run a laptop or even a television.