Buy- Batteries
You will be thankful for this tip if you use gadgets and appliances that use batteries. Unlike rechargeable ones, you have no choice but to shell out more money whenever you use up the juice. Next time, you might want to fill your cart with batteries from Costco. They are good quality since they are by Duracell!
Buy- Milk
Do not raise your eyebrows at us! It is true that some articles say that you should not buy milk at Costco. We beg to differ. In the end, it depends on how much milk your family consumes. If you can finish an entire gallon of it before it goes bad, then you should have no problems. You will save money as well!