Costco is the anti-Amazon 19 days ago
But to date it has still not been able to make the conversion away from being an online convenience store, which tells you something important about its model: Amazon is there to fill in the gaps of a dominant mode of goods procurement, not to replace it.
Either we can view single-packaged items as a gap in the goods procurement process, or we remove the means (Amazon) and view it as a forcing function to not have single-packaged items since a certain % of 100 people will start batching before they drive to the store.