Out of that list, probably the Yakima roof top tent. My van is 7' tall and pretty large & boxy. I'd probably have room for a picnic area, too lol. Also the cooling shirt because thanks to cooling towels, a person notorious for passing out in the heat like me, can enjoy being outside more. Although passing out comes in handy for getting into amusement parks faster, it's not a good thing for camping.
Other than those, I don't really see anything that piques my interest as the lowlier versions that I do have work fine.
Solar intrigues me but not for camping. I tried it once and I have yet to determine a use for it. I tried charging my phone to take pictures, that was it, but I have a camera and a gopro with sufficient charges. I would like to have solar when we move... Right now we are looking into yurts. We are also more minimal with electronics and tech. My husband and I generally don't watch tv unless it's youtubing how to do something. The kids may watch a few shows a week, but it's commercial free and nothing mindnumbing (Spongebob, ugh).
My grandpa made fun of my rocket stove, he said it was something Christopher Columbus would have used. Well, I mean, people make fun of me a lot because I go around picking weeds and I don't own a couch, but my quality of life is a lot better with less health problems than when I was in my teens and early 20s. I also manage my son's eczema without the use of steroids anymore thanks to my love of intact weeds, herbalism, and general nerdiness. Who's the real winner?
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