I'd expect the economics to work better the sparser the region. In Manhattan you can just send out someone on a bike, in the endless suburbia called Los Angeles

I'd expect the economics to work better the sparser the region. In Manhattan you can just send out someone on a bike, in the endless suburbia called Los Angeles it starts making sense, but I imagine this really shines if you want a Starbucks in a town that doesn't have a Starbucks.