A common practice is to sell the same branded product at a lower quality level when sold through a different retailer. Either intentionally or because QA reject

A common practice is to sell the same branded product at a lower quality level when sold through a different retailer. Either intentionally or because QA rejects get sold cheap to wholesalers for use at discount stores. The modern twist is that these rejects can now get commingled back into the QA-approved inventory thanks to Amazon.