I’ve been a Costco shopper for as long as I can remember. As a kid, I often went there with my parents on the weekends to buy bulk food items, books, clothing, and Barbie dolls — and of course, enjoy a $1.50 hot dog and soda combination for lunch.
Now, as an adult, I shop there for bulk staples for my household of two. These are the 10 items that always make it into my shopping cart.
Prices may vary by location.
Kirkland Signature toilet paper is a must.
Paper goods can be expensive at my local supermarket, but at Costco, I find they’re a great deal.
Although I pay a little more to buy name-brand paper towels, I do purchase Kirkland Signature toilet paper.
As a household of two people with stomach issues, we’re picky about what toilet paper we buy. However, I think the Kirkland Signature version is comparable to the Angel Soft brand.
During my most recent trip, I paid $25 for 30 rolls.
Eggs are a great deal at Costco.
When the average price for a dozen eggs rose to a record-high $6.23 in early 2025, I turned to Costco for more cost-effective options.
Now, I typically buy the 24-count of large white eggs for $4.83 and use them for breakfast, a snack, and a key ingredient when baking.
I always stock up on laundry detergent.
Another one of my Costco staples is laundry detergent. The warehouse carries a variety of brands, including sensitive skin options, which I prefer.
During this trip, I grabbed a container of Tide Free and Gentle Pods.
Dishwasher detergent is a steal, too.
I also stock up on dishwasher detergent at Costco, which is typically stocked in both liquid and pod forms. I grabbed the Cascade Complete pods, which were on sale for $14, which I thought was a great deal.
My husband loves the Kirkland Signature canned tuna.
My husband loves canned tuna and says that the Kirkland Signature albacore solid white version is better than other brands he’s had. He eats it on a sandwich mixed with mayonnaise or on its own with crackers.
Chicken nuggets always land a spot in my cart.
As a picky eater, I eat chicken nuggets several times a week. I like to make the Dino Buddies version in the toaster oven and have them with a side of rice or pasta.
I love looking for novelty and seasonal items.
Some of my shopping is dependent on what’s currently available seasonally, or what novelty items are in stock.
On this shopping trip, I grabbed the Reese’s-inspired One-brand protein bars. My husband tries to consume as much protein as possible and loves Reese’s, so these were a quick yes.
White bread is another item I like to buy in bulk.
I eat a peanut butter sandwich almost every day for lunch, so you can imagine how quickly we go through bread.
Costco carries Pepperidge Farm white bread as a two-pack, so I always grab that — especially because the cost for two loaves ($6.37) is similar to what I’ve seen for one at other supermarkets.
I always search the aisles for fun drinks.
Drinks are another item that usually come home with me. For my husband, it’s typically Gatorade to replenish his electrolytes after working out, playing softball, or doing jiu-jitsu.
On this trip, I got a great deal on Starburst-flavored Sparkling Ice (on sale for $13) to help wash down a new liquid medication I’m on.
Brami protein pasta is delicious.
Costco carries Brami protein pasta in bulk, which is a huge win for me. This is the best-tasting protein pasta we’ve tried, and its consistency is actually pretty similar to regular pasta.
I like to put some tomato sauce on it for another easy way to increase our protein and fiber intake.
Curious to know what other shoppers put in their carts? Check out our other Costco diaries here.
This story was originally published on February 10, 2026, and most recently updated on September 22, 2026.
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