The math seems simple: buying in bulk always saves money. Warehouse clubs and the “Family Size” box have trained us to believe that a bigger package equals a better deal. But this grocery-saving “truth” is often just a marketing illusion. Stores know that shoppers associate bulk with value and will buy a large item without checking the math. This assumption can backfire, costing you more money, creating food waste, and cluttering your pantry. Before you haul that giant 5-gallon jug of olive oil to the checkout, let’s look at how bulk buying can go wrong.
