15 Random (But Amazing) Costco Buys for Under $15

Random finds are often the greatest shopping thrill you can get, and Costco has plenty to get you excited about. Hidden within their aisles are random and affordable items you didn't know you needed.

One of the best Costco shopping hacks is that you can upgrade your meals, home, wardrobe, and more simply by visiting the warehouse and being surprised by some amazing offers.

Here are 15 Costco buys for under $15 that are worth every penny, making your everyday life easier without breaking the bank.

Editor's note: Prices and availability are subject to change and may vary by location.

Price: $14.97

This set of 10 PrepWorks Multi-Function Silicone Lids seals to glass, metal, ceramic, or plastic to keep food fresh longer. It also works as a trivet, jar gripper, pot holder, and more.

The silicone lids are heat-resistant up to 425°F and are microwave-, dishwasher-, and freezer-safe. You'll get three six-inch, four eight-inch, and three four-inch lids.

Price: $11.39

Three pounds of Bibigo Mini Wontons with Chicken and Cilantro make for a delicious and quick meal you didn't know you needed. You can fry them in a little vegetable oil for about five minutes, cook them in a pre-boiled soup for a few minutes, or cook them in the microwave for two minutes.

Reddit user jjl2345 loves these mini wontons, sharing, "My favorite thing about these is the serving size actually is a decent amount! 8 mini wontons for 130 cal, 2.5 grams fat, 6 grams protein."

Price: $14.99

The Felina Women's Tiered Maxi Dress is available in three colors: copper, black, and white. It has side pockets and adjustable straps with hidden buttons, making it an amazing find you'll be glad you purchased.

Price: $13.99 (on sale from $15.99)

A 12-pack of Not-A-Paper Towels is such a random find that you'll be happy to snag for less than $15. Each reusable towel is 13 by 8.5 inches and is machine washable, making them a great alternative to paper towels. Each pack comes with four different designs, and you can choose from themes like Noir Bloom, Fantasy Blooms, Orchard Grove, and Dragonfly Bliss.

Price: $14.99

Pick up your vitamins at Costco for a daily health boost that'll last all year, with 600 Kirkland Signature Extra Strength D3, 50mcg softgels in each bottle. This supplement promotes bone, teeth, muscle, and immune health.

One five-star reviewer details how, after taking these supplements, it's been "making a difference based on lab results."

Price: $8.99

You'll get four 8.8-ounce Lotus Biscoff Cookies when you buy this Costco find. One customer shares, "These cookies are delicious with a latte or a cup of coffee or tea. The combination of light spices and the crunch are perfect."

Price: $12.99

Each of the 29 UNREAL Dark Chocolate Coconut Minis in this pack is wrapped individually, preventing them from melting together and making it easy to take a few on the go. These treats are gluten-free, non-GMO, and vegan, containing only three ingredients: organic coconut, Fair Trade dark chocolate, and organic cassava syrup.

Plus, Costco's price is a steal compared to Walmart, which sells the same size bag for $22.75.

Price: $12.99

This Planters variety pack includes 24 individual bags of six salted cashews, six honey-roasted peanuts, and 12 salted peanuts. It's a healthy snack with no cholesterol or trans fat and contains plenty of essential vitamins and nutrients.

You can quickly grab and go or keep a few in your car or bag, ensuring you always have something filling to hold you over until your next meal. It's less expensive to pick up these Planters nuts at Costco, with Kroger having the same pack for $14.99.

Price: $10.99

This Organic Quinoa comes in a 4.5-pound resealable bag, ensuring you have a healthy option in your pantry. One customer shares, "One of the best features is that it is already rinsed. This is a time and mess saver."

With Costco's amazing deal, you're paying $2.44 per pound compared to Target's Good & Gather 1-pound bag for $6.19.

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Price: $8.89

You may not have had it on your list, but a 20-count of Kirkland Signature Organic Hummus comes in 2.5-ounce cups, perfect for snacking. Not only is it organic, but it's also non-GMO, kosher, gluten-free, and doesn't contain any preservatives.

At less than $0.45 per cup, you'll save money choosing the Costco option, with Walmart selling a six-pack of Sabra two-ounce Hummus Cups for $5.48, or around $0.91 each.

Price: $14.99

Not only will your laundry smell fresher when you use Downy Ultimate In-Wash Scent Booster Beads, but this Whimsical Wonder scent will give hints of nectar, vanilla musk, and amber. It's safe on all fabrics, is HE compatible, and comes with 24.5 ounces of scent beads.

Price: $11.69

Two 28-ounce jars of Kirkland Signature Organic Peanut Butter are one of the best random items you can pick up. It's certified USDA organic and sprinkled with sea salt, enhancing the creaminess and adding incomparable flavor.

With one 28-ounce container of Good & Gather Organic Peanut Butter costing $7.29 at Target, you'll save quite a bit shopping at Costco instead.

Price: $13.99

A twelve-pack of 15-ounce organic tomato sauce cans is exactly what you didn't know you needed from Costco. For less than $1.17 per can, this sauce is USDA-certified organic and made with California Roma Tomatoes.

With a 4.7-star rating, customers love the flavor and overall consistency of the tomato sauce, with one sharing, "I have been using Kirkland Organic Tomato Sauce (and paste) for years for my recipes. Good, consistent quality and taste."

Price: $14.97

Serving gets easier when you add this five-piece Pandex Beaded Melamine Serverware Set to your collection. It's dishwasher safe and available in two colors: cream or gray. You'll get one 20.5x5.9-inch tray, one 18.8x6-inch oval bowl, three 4.7x2.24-inch bowls, and three 4.7-inch bowl covers.

Price: $14.99

Costco's Scallop Tufted Bath Rugs are 24 inches by 36 inches and made of 100% cotton with hot melt latex backing. They're machine washable, highly absorbent, and Oeko-Tex Certified, meaning they contain no harmful toxins or chemicals. You can choose from blue, green, grey, or tan, making it easy to match your current decor.

Saving on random, amazing finds isn't the only reason Costco shoppers are so loyal. The retailer is known for its bulk finds and incomparable bargains. One of the top grocery savings hacks is to stock up on groceries without going over budget when shopping there.

Although it's fun to go shopping at Costco and find products that are just too good not to add to your cart, consider bringing a shopping list to make sure you get all you need without overspending on things that aren't essentials.