Wal Mart doesn’t have a fleet of 30 minute delivery drones and
distrubution centers all over the place ready to go...
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But they are changing never the less. At the Walmart I use they have put in maybe
30+ ‘scan/go’ stations. You scan your items, pay with a card and go. They have
had the scan stations but now there are more and they have reduced number of open
stations with cashiers. The Scan/Go stations take cash/cards, but no checks.
Some Walmarts are using a system where you place your order, the store employees
gather the items, bag/box it up and you drive up and they load it in your vehicle
and you are off.
http://help.walmart.com/app/answers/detail/a_id/281/~/picking-up-orders-with-store-pickup
I’ve used their grocery pickup service. Very good. Only criticism is same day order and pickup doesnt seem to be available as a practical matter.