Product filtering: Low number of SKUs of high confidence. I can basically blindly pick up anything at a Costco and be assured of a certain basic quality. It's t

Product filtering: Low number of SKUs of high confidence. I can basically blindly pick up anything at a Costco and be assured of a certain basic quality. It's the opposite of a place like Amazon. Customer filtering: The subscription model creates a high trust customer base with way lower chances of shoplifting, fraudulent returns and the like.