(CBSNEWS) — MONTEBELLO, Calif. – There’s nothing new about predictions that the end of the world is upon us. But there’s plenty new about how some people are preparing for it.

What began as a pipe dream for Ron Hubbard has become big business…underground

“We call this the backyard bunker,” Hubbard said as he showed us one of his survival shelters.

These days, the fear market is booming.

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