Top 15 Forever Foods for Survival (no electricity needed)
https://vid.puffyan.us/watch?v=M43rO3hXiX0
I'd add water filters and large containers. There are vids of DIY using pebbles/sand/hardwood charcoal processed a certain way. Maybe rechargable batteries and small solar panels. There was a blog by a Macedonian who said simple things like pots lighters bags plastic sheets and blankets were good to trade. Things nobody realizes they will need until access is NLA.