Much like coffee drinkers know where all the power outlets are at their local coffee shops, I can't speak for OP but I know exactly where each power outlet is in the picnic shelters at my local county parks. I also have a pretty good idea which locations have good data reception to tether on my phone.

Unfortunately I live in a climate where the weather is subjectively "bad" 8 months out of the year, so on one hand I'm not "out there" most of the time, but on the other hand when the weather is unusually good I certainly am out there all day sometimes. Sort of like is the glass half empty or half full argument?

My open office is really, really open. It can be distracting when deer or raccoon wants my lunch. Raccoons are kinda scary, they are alpha scavengers and they know the local gun laws as well as a hunter or police.

Strange but true facts: I travel everywhere with trash bags because I need a way to get my gear home dry when there's a downpour. Also I dress up to go to the park, so rangers won't think I'm homeless.

I would guess given that he is programming at the beach a solar powered charger. My bigger concern would be the sand.

Inverter