I think food already has its systems in place (think eat24.com). The only leftover gap is the retail items. That said, many retail items aren't that expensive,

I think food already has its systems in place (think eat24.com). The only leftover gap is the retail items. That said, many retail items aren't that expensive, but utilizing GPS and logistics tech is the key here. You don't have to make one-off stops if you coordinate. Hell, can you imagine how much UPS or FedEx would like something like this? Their overhead would go down to almost nothing, and they could replace fleets of big air freight with many electric powered local trucks.