‘Doomsday prepping’ used to be seen as a hobby relegated to the paranoid fringe — but ordinary Americans spent a staggering $11 billion on survival items, just last year, from April 2022 to April 2023.
About a third of US citizens admit to prepping, surveys show, but few have the resources today’s billionaire bunker-builders have to devote to their own shelters.
The world’s wealthiest have increasingly spent hundreds of millions on securing underground compounds, private islands and (for the merely
