Welcome to Southern Savers, where finding deals and steals is simple and rewarding!

See I told you, this would help!

Coupon Abbreviations
  • SC = Store Coupon
  • MC = Manufacturer Coupon
  • SS = Smart Source
  • RMN = Retail Me Not
  • PG = Proctor and Gamble
Coupon Terms
  • WYB = When You Buy
  • B1G1 = Buy One Get One Free
  • .75/1 = 75 cents off one item
  • .75/3 = 75 cents off three items
  • EXP = Expiration Date

Going Nuts? I can help you understand coupon terms and abbreviations

This post may contain affiliate links. Read our disclosure here.

This is not the definitive list of things to buy at Costco, and it’s also not the list of the best deals at Costco. Some of these items may be available at other places, but I buy them at Costco due to the quality and price comparisons in my area. Let me know if any of these are your favorite things to buy at Costco!

If you want to know how prices compare between Costco and Amazon on the most commonly bought items, see my Costco vs Amazon comparison.

The 20 Best Things to Buy at Costco

Toilet paper

Toilet paper actually is only a good deal at Costco IF you aren’t up for shopping drugstore deals.  This is a hard one for folks, but you can’t beat 12 rolls for $3 no matter how big the bulk pack is. That said I know many folks aren’t up for learning a new game so, grab the big pack and know that you got a good price on a required item of life.

Protein bars

The Costco brand protein bars are similar to name brand Quest bars in terms of ingredients, but they cost less than half the price. I also actually think they taste better!

Liquid egg whites

I use egg whites in smoothies as well as in baking and cooking, and the price at Costco can’t be beat.

Rotisserie chickens

You knew this was going to be on the list, right? At $4.99 each, you can’t beat the price. Whenever I go to Costco, I pick up at least two.

Dishwasher detergent pods

This is another item where it truly is one of the cheapest place to buy these.


While I don’t buy all my meat at Costco, I do buy certain cuts if it is less than $3/pound, and I’ve never been disappointed.

Pre-packaged foods

The place where Costco can really get you is with prepackaged snacks and convenience foods. It seems like a good deal because you’re getting 60 packages, but if you compare it to smaller boxes at a different store, you can almost always get it cheaper. However, I will buy these items when Costco has them on sale if the unit price is cheaper!

Dog food

Our dog isn’t picky, and it’s hard to find cheaper, better quality dog food than at Costco.

Chocolate chips

Chocolate chips are a pantry staple in my house, and while I can sometimes find them on sale for cheaper, Costco usually has the best price.

Frozen green beans

I always like to have frozen vegetables on hand for a quick dinner. Their frozen green beans are inexpensive and come in a huge bag so that you can just pull out however many you want to make.

Frozen cauliflower rice

All frozen cauliflower rice is not created equal, and Costco’s is the best that I’ve found!

Orange chicken

This is something I like to have in the freezer (paired with the potstickers below) for an easy dinner. If you have people in your family who don’t like the sauce, leave it off some of the chicken before you serve it.


Serve this with the orange chicken I just mentioned! These are a favorite in our house a great side dish for any Asian-inspired


Yes, I have entered the season of life where I love to buy clothes at Costco. I’ve bought a bathing suit, socks, and a winter jacket there recently.

Coconut milk

Not only is the coconut milk a really good price, but it’s also very creamy and doesn’t separate as much as other canned coconut milks do.


Not all medications are cheaper at Costco despite what people say, so make sure you do a price check. I have found many single-ingredient vitamins (Vitamin D, etc.) are cheaper at Costco, also large bottles of Allergy medicines are significantly cheaper per tablet.

All-purpose flour

If you do a lot of baking, the giant bags of flour are cheaper than most stores.

Maple syrup

Costco maple syrup is also one of the cheapest prices I’ve found, and the quality is good. I prefer maple syrup over honey in most recipes, so this is a regular buy for me.


The giant bags of Costco brand nuts are cheaper than most other stores, and sometimes they have fun flavors like salt and pepper or bbq.


Batteries are another one of the best things to buy at Costco, even beating Amazon prices.

I don't buy everything at Costco, but I do have my favorites. Here is my list of the 20 best things to buy at Costco (in my opinion)!