"Upsell - I fail to understand why online stores (Amazon!) don't have live help. I bet it would increase conversions." That would be more labor, and maybe not

"Upsell - I fail to understand why online stores (Amazon!) don't have live help. I bet it would increase conversions." That would be more labor, and maybe not enough upside in the upsell to make it worthwhile. Amazon has staked out the low overhead space for the sweet spot they're aiming at. They have robots pull orders in the warehouse.