I don't visualize as many problems in bugging OUT, as I do in getting home under some circumstances.
In England (southern, anyway), you probably wouldn't be very far away from assistance. In America and some of the less populated parts of Europe, I can visualize many more problems than you are perhaps likely to have. Right here, we commonly have flooding, occasionally have earthquakes, and have a mountain that is named next likely to erupt. We sometimes get a foot of snow at a time.
If something happened and I had to walk home, it would probably be from 10 miles south, or 25 miles north. Sigh. And there is the possibility that I couldn't get home if there was a flood (again). Personally, I like to keep some stuff handy. Most of it isn't necessarily to be life-saving as much as for comfort, like water, a bit of food, or shelter or a rope.
Mind you, it would be lovely to live in a place where help is always at hand, but that isn't here.
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'Pup