Why not a semi-autonomous trailer? Hitch it to any car for charging. You can leave it on the site, arrange for it to meet you somewhere you're walking, even loa

Why not a semi-autonomous trailer? Hitch it to any car for charging. You can leave it on the site, arrange for it to meet you somewhere you're walking, even loan your kit to a colleague across town with the push of a button-- and still get around on your own. Needing personal mobile storage is not needing a car if you already get a car for free.