Amazon’s analytics can identity SKUs on which it “Can’t Realize a Profit” (CRaP). Even with its improving, world’s best fulfillment and last-mile delivery costs, Amazon can’t cover costs on items lower than $15 per pick/order.
The old message from some allegedly distressed person in a far-flung country asking you to wire them a sum of cash to get them out of trouble. Or the one where they found some long-lost dough that has my name written on it, but first I have to send them my bank-account information.