A Place in the Woods
Kurt Harden at Cultural Offering points to an article in The Economist about people who are "escaping" to Idaho and other locations as a way of coping with potential national catastrophes.
Read "The Road" or "Station Eleven" or "One Second After" and you'll get a sense of what worries many of them.
The prospect of the electrical grid going out for several months should cause anyone to pause. As Ted Koppel's book indicates, these fears are not limited to political conservatives or survivalists.
Hmm. How much water do you have at home?