An annual Costco membership ($60) grants you access to an airplane-hanger stocked with tubs of butter, giant crab legs, cheap (but delicious) rotisserie chickens, and this giant Crocodile water slide thingy for your kids. Indeed, as we get closer to summer, Costco is starting to stock some new products, some of which are already on sale. If you're looking for something new to try at Costco, here are five amazing buys under $20.

1. LaCroix Sparkling Water

Price: $8.99

Just in time for the warm weather, this 24-pack of LaCroix has three summer-y flavors, including hibiscus, limoncello, and watermelon (or pasteque). The per-can price for this is $0.38, which beats Amazon's price ($0.50) for just the limoncello. Since the regular price is $11.49, I'd stock up on this while you can still save money.

2. Outdoor blanket

Price: $18.99

This outdoor blanket measures 60" in width and 72" in length (five by six feet) and can be packed into a small carrying case. It comes in four different designs -- bears, sun, lights, and stripes -- and is perfect for camping, picnicking, or pretty much any contact with grass or dirt. Better yet, the blanket is currently discounted to a super low price. You can find the same package blanket on Amazon for $33.95.

3. Swedish dishcloths

Price: $16.99 (online; may be cheaper in-store)

Swedish dishcloths are ultra-absorbent and can last as long as 15 rolls of paper towels, according to Business Insider. This 12-piece set of Swedish dishcloths from Costco comes in a few cool designs, like mushrooms and fruits. To be fair, you can find cheaper Swedish dishcloths from Walmart, including a 12-pack of bird-designs for $15.99. But if you buy these Costco dishcloths at your local warehouse, you'll get a cheaper price than what's found online.

4. Men's flip flops

Price: $18.99

The Flojos Men's Flip Flop comes in sizes 8 to 13 and sport two dark colors, black and brown. The price is pretty low for this particular brand, as Amazon sells the same flip flops and sizes for $24.99. Flojos Ladies' Flip Flops are also reasonably priced at $16.99. What's more, you can save even more on both flip flops by mixing and matching with other clothes at Costco. If you spend $50 on eligible clothes, you can save $15 total, while those who spend at least $100 get $35 off.

5. Mixing bowls (set of eight)

Price: $19.99 (online)

For the entire month of May, you can get a $10 discount on the MIU Stainless Steel Mixing Bowl with Graters Set of 8, bringing the price down to $19.99. The four bowls are nestable and dishwasher safe. What's really neat is you can put a grater on the lid and sprinkle cheese over salads. This could save you some mess if you, like me, tend to toss grated cheese over the counter and floor like a burst piñata.

All in all, if you're looking for budget-friendly deals under $20, Costco has plenty to offer. If you can, I'd recommend using a Visa card that earns 2% back, like Costco's own credit card. This 2% becomes 4% when you pair it with a Costco Executive membership. Don't forget to check Costco's website every now and then to see what members-only savings events might be going on, especially as we approach summer holidays like Memorial Day.

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We're firm believers in the Golden Rule, which is why editorial opinions are ours alone and have not been previously reviewed, approved, or endorsed by included advertisers. The Ascent does not cover all offers on the market. Editorial content from The Ascent is separate from The Motley Fool editorial content and is created by a different analyst team.John Mackey, former CEO of Whole Foods Market, an Amazon subsidiary, is a member of The Motley Fool’s board of directors. The Motley Fool has positions in and recommends Amazon, Costco Wholesale, Visa, and Walmart. The Motley Fool has a disclosure policy.

5 Amazing Costco Buys for Under $20 was originally published by The Motley Fool