11 Amazing Costco Buys for Under $30 (#5 Is a Little Luxury)

While many bargain shoppers turn to Costco for their bulk items, the superstore also has plenty of deals under $30, perfect for any budget.

This list mixes name-brand finds with Costco's own Kirkland Signature line, which the company designs to match or beat national brands on quality while staying priced lower. 

Because warehouse pricing and stock can vary by region and change with rotating promotions, it's a good idea to double check current prices on Costco's website or app before making a special trip for any single item.

From food to home goods, Costco has just what you need to help you save money on groceries and other items.

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

Price: $19.97

You can buy your favorite footwear at Costco for under $30!

These Puma sneakers are perfect for everyday activity and exercise. Plus, you can choose between their black and gray colors to match just about any outfit.

Officially called the Puma Ladies' Star Vital Refresh Sneaker, this model features a rubber outsole for traction and a Softfoam Plus insole designed to cushion each step, making it a reasonable option for walking, light workouts, or just running errands. 

Puma's own product description for the Star Vital line highlights a breathable knit upper and an extended lacing system meant to give a secure, comfortable fit. 

Sizes at Costco typically run from about 6 to 10, though availability can vary by warehouse and online stock tends to sell out faster than in-store inventory.

Price: $21.49

This variety pack has your favorite Coca-Cola products in one convenient box.

Enjoy miniature cans of Coca-Cola Cherry, Fanta Orange, and Sprite for an affordable price. 

The box contains 30 mini cans total, with 10 cans each of Coca-Cola Cherry, Fanta Orange, and Sprite, all sized at 7.5 fluid ounces, which is roughly 60 percent smaller than a standard 12-ounce can. 

That smaller size makes the pack useful for portion control or for tucking a can into a kid's lunch box without the waste of a full-size soda going flat. 

Online pricing for this pack has fluctuated between about $19 and $24 depending on promotions, so it's worth checking the current price at checkout against the $21.49 figure here.

It's perfect for parties, sleepovers, and other gatherings that can use a refreshing drink.

Price: $20.42

Celebrate any occasion with this low-cost cake.

Enjoy rich and creamy chocolate mousse inside this indulgent chocolate cake. 

This is a two-layer cake with chocolate mousse in the center and fudge icing on top, and the label lists wheat, milk, egg, and soy as allergens. It typically serves around 16 people, which works out to a little over $1 per slice at this price. 

Custom orders are placed in person at the bakery counter using a paper order form, where shoppers can choose a preset design and add a short written message, though Costco does not offer photo cakes with a customer's own image printed on top.

Costco bakers can even customize it with phrases and other designs to mark the occasion.

Price: $19.99

Don't get caught without batteries!

This pack of AAA batteries can keep you well-stocked for all your devices and electronics. 

These are Duracell's Coppertop line, formulated with the brand's newer Power Boost ingredients for longer-lasting power in everyday devices like remote controls, flashlights, toys, and wireless keyboards or mice. 

Each battery delivers 1.5 volts and is guaranteed to hold its charge for up to 12 years in storage, which makes this pack a reasonable choice for stocking a junk drawer or an emergency kit rather than something you'll need to replace again soon. 

The packaging is also 100 percent recyclable and re-closable, which helps keep loose batteries organized between uses.

You get 40 batteries in this value pack, so why not buy a few for emergencies and save even more money?

Price: $29.99

Right below $30, this oil is great for hydrating your skin. It has a light sesame formula that most skin types can handle. 

The bottle holds 32 fluid ounces, a large size compared with the smaller bottles typically sold at drugstores, and the formula's main ingredients include isopropyl myristate and sesame seed oil along with a small amount of added fragrance. 

Neutrogena recommends applying it two ways: smoothing a few drops onto skin while it's still damp right after a shower or bath for better absorption, or adding it directly to bathwater to soften skin while soaking. 

Costco limits purchases of this item to five bottles per membership, which is worth knowing if you're planning to stock up for the whole season.

Stock up on it during the dry winter months so your skin can stay hydrated and moisturized.

Price: $22.69

Keep this handy snack pack in your pantry at a low price.

You get a variety of classic Frito Lay flavors, like Doritos and Ruffles, in convenient, single-serve packages. And with over 50 bags per box, this value pack may last a while!

The box breaks down into seven varieties: 12 bags of Cheetos Crunchy, 12 of Doritos Nacho Cheese, 8 of Lay's Classic potato chips, 7 of Doritos Cool Ranch, 7 of Fritos Original, 4 of Ruffles Cheddar & Sour Cream, and 4 of Lay's Barbecue, each in a 1-ounce bag for a total net weight of just over 51 ounces. 

Because every bag is individually sealed, the mix works well for lunch boxes, road trips, or setting out at a party without opening one large bag that goes stale. 

Costco's online price for this item has ranged from around $15 to $24 depending on promotions, so it's worth comparing against the in-warehouse price before buying.

Price: $24.99

This affordable find is great for the school year. You get 10 boxes of Kleenex tissues that are made to be both soft and strong. 

Each of the 10 flat boxes holds 230 two-ply tissues, adding up to 2,300 tissues total, which is enough to get many households or classrooms through an entire cold and flu season without needing a restock. 

The tissues measure 8.2 inches by 8.4 inches, a bit larger than a standard tissue, and Kleenex markets them as containing a mess better than typical value toilet paper if used for blowing your nose. 

These boxes also come in fun designs to seamlessly fit into any classroom or room in your home.

Price: $21.49

Tackle even the toughest stains with this Costco brand detergent.

Its powerful formula and fresh scent can handle any laundry, clothing, or fabric load. And you get over a hundred loads per container for a low price.

This bottle holds 194 fluid ounces, or about 1.52 gallons, and is rated for 146 loads, a 2X concentrated high-efficiency formula that works in both HE and standard washing machines. 

Kirkland Signature also sells a Free & Clear version of this detergent for households that want the same cleaning power without added dyes or perfumes. 

The fresh-scent formula is certified gluten free, paraben free, and nickel free, and the brand markets it as Teen Safe, meaning it does not contain hormone-altering chemicals sometimes found in other detergents.

Price: $13.29

This tasty cheese was imported from Italy and has an authentic flavor like no other.

You can sprinkle this aged cheese over your pasta, salads, and more. 

This wedge is produced by Formaggi Zanetti, Italy's largest exporter of Parmigiano Reggiano, and is aged more than 24 months under the strict standards set by Italy's Consorzio del Formaggio Parmigiano Reggiano. 

The Protected Designation of Origin, or PDO, seal on the packaging confirms it was made using traditional methods in one of the specific Italian regions authorized to produce true Parmigiano Reggiano, unlike generic "Parmesan" cheeses made elsewhere. 

Shoppers and reviewers have pointed out that comparable Parmigiano Reggiano at retailers like Whole Foods can run $20 or more per pound, making Costco's per-pound price a notable discount for the same authentic, aged cheese.

This is one topping you may want to buy again and again!

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Price: $17.99

Buy your favorite Shark Tank item at Costco now!

The Scrub Mommy pack at Costco comes with eight scrubbers perfect for cleaning your dishes or home surfaces.

It offers both soft and firm scrubbing that won't scratch or damage your kitchenware.

Each sponge combines two materials: a FlexTexture foam side that firms up in cold water for tough scrubbing and softens in warm water for gentler cleaning, and a ResoFoam side that's highly absorbent and works up a rich lather with soap. 

The pack comes in four colors, pink, blue, violet, and white, and the sponges are safe to use on more than 25 surfaces, including nonstick cookware, stainless steel, glass, and granite. 

They're also top-rack dishwasher safe and, according to the manufacturer, resist odors and mold for several weeks with normal use before needing to be replaced.

Price: $29.99

Stay hydrated with this innovative product.

These Liquid IV hydration packets are handy for those long days in the sun or busy exercise routines. 

Each pouch contains 30 individual serving stick packs, and the brand recommends mixing one packet with 16 ounces of water for its Cellular Transport Technology to work as intended, since diluting it further or adding less water is said to reduce its effectiveness. 

Liquid I.V. markets the formula as delivering three times the electrolytes of a typical sports drink along with eight vitamins and nutrients, and it's non-GMO. 

At this price, each stick works out to roughly a dollar, and Costco also carries other flavors and formulations, including sugar-free and immune-support versions, so shoppers aren't limited to lemon-lime if they want to mix things up.

Choose from a variety of flavors, like this tangy lemon-lime.

Stocking up on your Costco favorites doesn't have to cost you. And with these sub-$30 steals, you can even buy multiples of your favorite products and still keep more cash in your wallet.  

Your local store might also have seasonal discounts on some of these items, so it's worth visiting to see what's marked down.

Keep in mind that Costco prices shift often with regional differences and rotating instant-savings coupons; several of the items on this list, including the batteries, detergent, and tissues, have been seen anywhere from a few dollars less to a few dollars more than the prices listed here depending on the month and location. 

Checking the Costco app or website for your local warehouse before heading out can help confirm which of these deals are currently active and avoid any surprises at checkout.