Originally Posted by
psychokilla
... I guess, but I have visions of a disinterested shop assistant trying to rummage in the back for 'my order' while they call last boarding on my flight...
You could say the same about any sort of 'click and collect' service.
My local Waitrose does click and collect for John Lewis and the staff have to go to the store room to get the packages (they don't keep them at the service desk) so wherever you go you'll always have to wait a couple of minutes.