Your route is generally the one I would want to follow. Have non electrical alternatives available - gas light, coolers, hand tools, solar panels, and just get off the grid.

It occurs to me that we all have a generator handy for small items, at least. It resides within our various motor vehicles and can handle the small stuff.

Generators seem to be an attractive item for theft. They are always getting swiped from RV's parked along our local beach