It's a viable business only where there is plenty of traffic. (Assuming constant occupancy is not conservative!) In such places in the US there are already reta

It's a viable business only where there is plenty of traffic. (Assuming constant occupancy is not conservative!) In such places in the US there are already retail businesses meeting the need, as well as selling snacks, etc. The problem is everywhere else, such as the residential areas where many deliveries take place.