Good ideas presented here, but many of us are limited to our choices. If I had unlimited resources, I'd have the things that TeamNelson suggested...Damnation Alley BOV, atomic-weapon-resistant shelter, gourmet SHTF foods, etc. Reality "biting" as it does, I'm very limited...and suspect that others are, as well.
If one routinely carries a few things in the car that would help one get home in a crisis, and has a basic plan to go along with them, then one is prepared for that event. Choices as to "a few things" are limitless.
If one routinely stocks survival supplies areound the homestead and has a basic plan to go along with them, then one is as prepared for EOTW as one is going to get. Choices as to "survival supplies" are limitless.
If one has at leas one weapon and some ammo around his body at all times and maybe a few more around the homestead and a plan to go along with them, then one is as prepared as one is going to get. choices as to "weapons and ammo" are limitless.
If one is physically capable...as I am NOT...then one should have a bugout plan and location.
Note the common denominator...the word PLAN. It is impossible to plan for every eventuality. Have a basic plan and then be able to adapt it to the true scenario. The best way to be prepared to survive is to grow up Redneck and then top it off with 20 years service.