›Survival bunkers can cost up to $4.5 million — here's why they're so expensive
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business07:09Survival bunkers can cost up to $4.5 million — here's why they're so expensiveThe business of private survival shelters has grown during the pandemic. They’re not just for survivalis...ts and doomsday preppers anymore. Bunkers buried in backyards or remote landscapes are capable of withstanding nuclear fallout and hurricanes, as well as violent conflict.