HAHA!! I bet they are. I actually have a source for super cheap geiger counter parts, I was half thinking about buying a few crates and putting together some geiger counters and selling them, but I’d feel kind of bad taking advantage of peoples’ hysteria. lol.
And that’s not a bad point, a concrete sub would be a good doomsday shelter, as long as you can make to self sufficient or abel to make it to a place where you know there wont be affected by doomsday.