As society collapses - this will be more common and attractive option to preppers and people who want no part of the coming Obamunist tyraniical police state
newsflash
society is not going to be collapsing anytime soon though I do think you should continue to assume collapse is imminent and move to Idaho ASAP
Probably best if you leave tonight
Don't even bother saying good bye to your family
there isn't enough time for that
just go
