10 Random (But Useful) Under $20 Costco Finds

You may have your staple items every time you go to Costco — like toilet paper or a rotisserie chicken — but what about everything else? 

The warehouse retailer's shelves are filled with hidden gems you may overlook when wandering the aisles, making them some of the best Costco membership perks.

Consider adding these useful finds to your shopping list on your next Costco trip.

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

Price: $12.43

Update your bathroom with a highly-rated new bath towel. You can choose from blue, gray, green, or beige printed towels to suit your decor theme.

Price: $15.99

It's always useful to have batteries on hand as you never know when you'll need to replace them in a television remote, flashlight, or other battery-operated options.

The Kirkland Signature AA Batteries come in a pack of 48, so you'll always have a fresh pair wherever you need them. Make sure to use a top cash back credit card each time you buy a pack to rack up rewards. 

Price: $18.99

Yes, you can buy reading glasses at Costco even if they don't have an optical department.

The Design Optics by Foster Grant Dax Plastic Rectangle Reading Glasses come in a pack of three and are available in a variety of lens powers depending on what you need.

Price: $17.99

It's important to have a first aid kit available for small scratches or bigger injuries. The First Aid Only Home & Go First Aid Kit comes with 312 pieces, including bandages, first aid tape, gauze pads, and more.

You may even want to consider buying more than one kit so you can have them in multiple places.

Price: $15.99

Grab the Tramontina Aluminum Baking Sheet Pan set if you need some new pans for your favorite baking recipes or want to try more sheet pan dinners.

The set comes with three sheet pans, so you'll always have a clean one on hand.

Price: $19.99

Cooler days mean you may want to stock up on throws to cozy up on the couch with.

The Boho Luxe Velvet Throw in brown, orange, blue, or gray will help you stay warm in the cooler months while adding some seasonal style to your home.

Price: $14.97

You don't have to spend a lot to get a tumbler that can keep your beverages cold.

The Reduce Coldee Tumblers come in a two-pack and can hold 14 ounces of your favorite beverages and keep them cold for up to 18 hours.

Price: $13.99

You may be working from home more, so you'll need to stock up on office supplies. The smooth writing Zebra G-301 Retractable Gel Pens come in a pack of nine that include black or blue ink.

Price: $14.99

Keep your toes comfy and warm in these cozy slippers. They come in gray or black, and you can choose from size small to extra large.

Price: $11.39

It may finally be time to replace those dull scissors around your home. The 3M Scotch Precision Ultra Edge Scissors are eight inches long and come in a pack of three, so you can easily have a sharp pair handy whenever you need them.

You can save money on essentials by buying them in bulk at Costco — as long as you actually need them.

Impulse purchases or random items can be hard to add to your cart if you're on a tight budget, so consider making a shopping list before you walk into the store to help you stick to your must-haves.