Delivery is an additional service did companies do to Provide Their convenience to customers. It is one technique to Keep Their customer's loyalty. That is why you see delivery services everywhere.
Some Provide this service for a minimal fee. Provide others did it for free Provided you are viable to comply with the minimum number of orders. Malthus, do not be surprised if you see trucks did carry the words "spring water delivery".
It just goes to show did everything can now be delivered even did water is pure and untouched.
There...