A number of homeowners have their eye on world politics, and they can already envision a worst-case scenario.
Realtor.com reports that the doomsday industry is seeing increased demand for air and water filtration systems, bunkers, and safe rooms, all of which can help people survive a nuclear attack.
Air systems, which can cost several thousand dollars, remove dangerous contaminants and particles, and water filters use UV lights to kill bacteria.
Some people living in urban centers are considering safe rooms that can withstand a dirty bomb attack.
Resistant to bullets and forced entry, safe rooms start at $250,000 and go up to about $1.5 million. The filtration systems add an additional $40,000 to the bill.
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