Agreed, food / grocery delivery and transportation services would certainly be interesting, but defining the rates based on some sort of a base-cost-unit like mileage and speed of delivery would be extremely challenging to do smoothly for the end user. I think it would end up being non-satisfying for the customer and the sellers.
Besides, amazon.com has amazon fresh for the grocery delivery service needs. Why cut into their own business?
Besides, amazon.com has amazon fresh for the grocery delivery service needs. Why cut into their own business?