That would be a nightmare for them. You can't control the service or quality that is performed under your brand name. And how would you keep track of the invent

That would be a nightmare for them. You can't control the service or quality that is performed under your brand name. And how would you keep track of the inventory available at each grocer? They are not identical. And, grocery stores aren't going to pick-and-deliver small orders to individuals with no added incentive. They would need a hefty delivery fee to make it worth their while. I can't think of any reason to go with this approach.