Worst: Sunscreen
Fun fact: sunscreen only retains its effectiveness for three years. If you are planning to get several of them from Costco, you should look at the expiration date. Unless you can use them all up before then, you are only throwing your money away!
Sunscreen
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Worst: Disposable Razors
Even though you might think that it is a good idea to buy a huge box of disposable razors, the prices are better at Walmart than at Costco. You see, a pack of 14 Kirkland razors go for $23. This means that each razor costs $1.64. On the other hand, Walmart offers a pack of 10 Gillette razors for $7.97 or $0.80 a razor. It is more than half the price!
Disposable Razors
