First : According to research - "Shoppers see value and are willing to pay for the convenience of these services. A MAJORITY of shoppers consider $6 to $10 a re

First : According to research - "Shoppers see value and are willing to pay for the convenience of these services. A MAJORITY of shoppers consider $6 to $10 a reasonable fee for delivery to their homes, and $3 to $5 for in-vehicle or in-store pickups." And i would add - many would probably be willing to pay something between those numbers for delivery to a fast pickup point on their way from work. So what if we start talking about parcel lockers for food(as there are in some places), which increase last mile delivery productivity 10x according to some ? And if we designed robotic parcel lockers, built to height, so we could optimize land productivity ? And fully/mostly robotic order fulfillment ? And once eCommerce takes some grocery share, grocery prices will rise somewhat. And of course, online will have a larger selection(which tends to impact prices,by competition). It's not clear Costco will win.