Luckily, Costco sells sunscreen in bulk, helping you stay stocked up. For example, right now, you can buy two eight ounce cans and one bottle of Banana Sport SPF 50 for only $13.99. For comparison ...

Rather than packing a giant bottle and having to check a suitcase for your flight, just pick up your sunscreen at Costco when you arrive. Bonus: You'll have one fewer liquid item to worry about ...