Survival bunkers are expensive because of their structural protection systems, including the steel and concrete used in construction, as well as the blast-proof, airtight doors.
Lynch said his most popular shelters range between $150,000 to $250,000 in price. Bunkers in this price range measure 10 feet by 50 feet, and they're designed to look like regular homes, with separate rooms for living, sleeping, and eating.
The cheapest bunker available on his site measures 8 feet by 12 feet, with prices starting at $45,500. His most expensive shelter, which costs $9,602,500, includes luxury amenities like a sauna, a gun range, and a swimming pool.
Hubbard did not provide details on the type of bunkers that are most popular among his buyers. The base price of the Platinum series bunkers starts at $300 per square feet, per his site.