“If you’re using it for emergency survival, the fact is you’re going to buy it once, and hopefully you’re not going to use it,” Shields said. “But it’s there as a safety net for you and your family.” That’s what intrigued me about freeze-dried food: You can wait up to a quarter-century to use it, but in an ideal world, you wouldn’t have to eat it at all.

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"I had a dream not long ago that was sort of like God said, ‘I will show you these things,’ and that we’d lost both grids on the East and West Coasts, and I saw trains coming in, packed, standing-room only, from both coasts, and they were just releasing them into Mark Twain and everywhere. Those people were then forming little camps—15, 20 people per camp. And I saw a colored boy and a white boy, youngsters, and they were talking. And the white boy is talking, and he says if you steal wood from any of those people, only take one piece, because if you take more than that they’ll miss it. 
I asked Hoffman to estimate what share of fellow Silicon Valley billionaires have acquired some level of “apocalypse insurance,” in the form of a hideaway in the U.S. or abroad. “I would guess fifty-plus per cent,” he said, “but that’s parallel with the decision to buy a vacation home. Human motivation is complex, and I think people can say, ‘I now have a safety blanket for this thing that scares me.’ ” The fears vary, but many worry that, as artificial intelligence takes away a growing share of jobs, there will be a backlash against Silicon Valley, America’s second-highest concentration of wealth. (Southwestern Connecticut is first.) “I’ve heard this theme from a bunch of people,” Hoffman said. “Is the country going to turn against the wealthy? Is it going to turn against technological innovation? Is it going to turn into civil disorder?”

Pense just sold his company, Gardening Revolution. For 20 years he shipped the proprietary iron, zinc, manganese, copper, sulfur and boron soil blend. Each bed costs $800, after you buy the cinder blocks and mat. On his best year, he shipped $580,000-worth of them. The magazine John Deere Homestead featured him. He’s taught classes on raised-bed gardening and survival in his cabin ever since. “The record on tomatoes is 274 pounds for one plant. Think about that,” Pense says. “That’s a lot of ’maters for one plant.” More than the ’maters, he’s proud of teaching people younger than him to grow their own food. 
I'm not quite crazy enough to say that epinephrine will help you survive the inevitable zombie apocalypse (you can go here for that). I'm just suggesting in a roundabout way that if you happened to be in a situation where something was trying to eat you, the increased heart rate and blood flow to your muscles brought on by a well-timed dose might just save your life.
One PSM reader who still remembers the mood of the time is Max Tookey, now a lecturer in psychology at the University of Brighton. Aged 16, he wrote a letter to PSM that read, “Hastings, like a lot of towns in the South East, has a number of caves, old mines, and railway tunnels; why can’t local county councils convert these into mass shelters for the population?”
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.”
When bands of marauders start roaming the streets, how are you going to keep them out? Tear down a few walls, says Timothy Ferraro, a twenty-five-year construction veteran who's thought about this situation plenty while watching The Walking Dead. "Assuming the attackers don't have a battering ram, you should be able to keep them out using the lumber and drywall already in your home," he says.