The article doesn't address it, but where does her waste go? Into a porta-potty, a bucket, or a septic system? If not done right it can effect the health of her neighbors. Zoning ordinances are set for many reasons, one of which is health.
They come up here occasionally, but go fast.
You can get them on gunbroker, however - here's a couple examples:
http://www.gunbroker.com/Auction/ViewItem.aspx?Item=212372908
http://www.gunbroker.com/Auction/ViewItem.aspx?Item=207428600 (actually pretty nice)
I guess I'm the exception here. My ideal SHTF weapons would be a silenced 10/22 and a high-cap 9mm. The .22 would allow for discrete hunting. No, it won't have the immediate knock-down, but it will get the job done on most animals (and people, too) if need be. The 9mm would be for last-ditch...