Part of the issue is that companies like Webvan and Instacart exist. There's not really a whole lot of money in it - supermarkets in the UK manage to charge any

Part of the issue is that companies like Webvan and Instacart exist. There's not really a whole lot of money in it - supermarkets in the UK manage to charge anywhere between £0 and a whopping £7. The thing is, if you don't provide online shopping as a supermarket, your customers will just use another supermarket's online shop.