Both Costco and Trader Joe’s have a winning recipe: keep a limited amount of any one item, and do tests to see what that best item is. I trust that the tortilla

Both Costco and Trader Joe’s have a winning recipe: keep a limited amount of any one item, and do tests to see what that best item is. I trust that the tortilla chips at Costco are going to be pretty good even if I haven’t had them yet. Same with TJ. Contrast to the traditional supermarket: throw spaghetti at the consumer and see what sticks.