I'm not quite as negative as some on the idea because it clearly is intended not for defense against a hostile government, but defense against wandering bad guys in search of an easy target (best of luck with that around here anyway, and bring yer body armor). But if you want remoteness, privacy, and mutual support you don't need anything this elaborate. I have a cabin and some terrific, trustworthy, beautiful neighbors. I'll get by without the reflecting pool.
One other thing - as I write that area is buried in snow. It's north Idaho in the wintertime. You may or may not get in, and you may or may not get out if you do get in. Last Saturday I was almost run over by a snowmobile and a moose. Separate incidents; moose can't legally run snowmobiles around here at least as far as I know. You get used to it.
ROFLOL! OK, that was funny!
My cousin told me this Christmas he’s gonna get himself “20 acres, a shot gun and a mean dog”....lol.