When I moved to Concord two and a half years ago, my frugal homing sense led me directly to Freihofer's Bakery Outlet. I was thrilled to get my bread at a discount, not to mention my bagels, English muffins, and other carbohydrate indulgences. My experience got even better when I saw the store promoting reusable bags. They offered their own for a reasonable price of 99 cents and, for a time, gave them away with a…