Re: When "IT" happens (what ever IT may be)
Imporvised natural weapons - e.g. a poison Ivy smoke grenade or poison ivy and briar hedge/barrier, pits ready to put punji stakes in.
Sand bags and some "extra" construction sand is an outstanding idea.
One reason I moved to the suburbs of green acres -according to my wife. Food storage comes naturally to me. And wife is learning to can (something I have been getting into for the last 5 years.) Lots of local produce and wild critters.
Not electiric appliances (like a manual powered meat grinder)
I should acquire a short wave transmitter/receiver when the web goes down or is used to track you down.