> There is a reason why each week a different item goes on sale. That loss leader leads to more purchases Except that I, the person who already buys that produ

> There is a reason why each week a different item goes on sale. That loss leader leads to more purchases Except that I, the person who already buys that product, buys nothing, or buys it from another store, because it's no longer in stock when I make my purchases in the evening. (I've since changed to shopping in the morning or early afternoon, so run into sales pricing outages much less frequently, but the general point stands.)