In the UK online grocery shopping is actually pretty sizeable, especially amongst the younger people. All the major brands provide the service. Anecdotal but I

In the UK online grocery shopping is actually pretty sizeable, especially amongst the younger people. All the major brands provide the service. Anecdotal but I know a number of people who bought their car off of eBay. I have no counterexamples against everything else but except for gasoline, which is hard to imagine working out, just because things have always been a certain way does not mean they will continue to be so.