Costco is one of the easiest places for retirees to save money on groceries, with low everyday prices on the things most households already buy. This month's picks cover health supplements, pantry staples, and a few household essentials that deliver serious value no matter when you shop.
Editor's note: Prices and availability are subject to change and may vary by location.
Kirkland Signature Rotisserie Chicken
Price: $5.66
Costco's rotisserie chicken has held the same price for more than three decades, making it one of the best-known grocery deals anywhere. One bird stretches easily into two or three meals for a smaller household, from dinner one night to chicken salad or soup the next.
Grocery store delis typically charge $7 to $9 for a comparable bird, and some specialty markets charge closer to $10.
Kirkland Signature USDA Prime Bone-In Ribeye Steak
Price: $18.15 per lb
USDA Prime is the grade reserved for a small share of all beef, and this Hot Buy brings it down to a price that is easy on a fixed budget. It is a nice way to serve a steakhouse-quality dinner at home without the steakhouse bill.
Specialty butchers and online prime purveyors often charge well over $25 a pound for the same grade. Freeze individual portions so you have just what you need for a two-person dinner.
Kirkland Signature Calcium 600 mg + Vitamin D3, 500 Tablets
Price: $14.99
Bone health becomes a higher priority as you age, and this bottle delivers 600 mg of calcium alongside Vitamin D3 to support absorption. At 500 tablets, it is roughly a year's supply at the recommended two-tablet daily serving.
Comparable calcium plus D3 supplements from Nature Made cost significantly more for far fewer tablets at most drugstores.
Kirkland Signature Fish Oil 1000 mg, 400 Softgels
Price: $20.99
This USP Verified fish oil comes from wild-caught ocean fish and goes through purification to remove mercury. At 400 softgels, the bottle covers months of daily use at a cost that is hard to beat at any retailer.
Comparable name-brand omega-3 softgels in smaller counts regularly run $30 or more at the drugstore.
Kirkland Signature CoQ10 300 mg, 100 Softgels
Price: $26.99
CoQ10 is a naturally occurring enzyme that supports cellular energy production and heart health, and its production in the body declines with age. This high-potency 300 mg formula is one of the stronger doses available at this price point.
A 100-count Nature Made CoQ10 at 400 mg runs $37.99 at Costco, making the Kirkland Signature version a notably better value per softgel.
Kirkland Signature Glucosamine with MSM, 375 Tablets
Price: $20.49
This joint supplement combines glucosamine HCI with MSM to support cartilage, flexibility, and everyday comfort. The 375-tablet bottle covers months of daily use and carries a USP Verified mark for purity and potency.
A comparable Schiff Move Free product runs $26.99 for a significantly smaller count at Costco itself.
Kirkland Signature Albacore Solid White Tuna, 7 oz, 8-Count
Price: $20.99
This eight-pack of solid white albacore is a reliable, shelf-stable source of lean protein for lunches, salads, wraps, and casseroles. At around $2.62 per can, it undercuts most name-brand canned tuna by a wide margin.
The cans store for months, making it easy to keep lunch simple without taking up refrigerator space.
POM Wonderful 100% Pomegranate Juice, 64 fl oz
Price: $11.68
Made from roughly 16 pomegranates per bottle with no added sugar, this juice delivers antioxidants conveniently. At roughly $9 for 64 ounces, it works out to just over a dollar per serving, and it is an easy swap for less nutritious juices.
Kirkland Signature Paper Towels, 2-Ply, 160 Sheets, 12 Rolls
Price: $23.60
This 12-roll pack of create-a-size paper towels covers more than 1,000 square feet of total sheet area, making it one of the better bulk buys in the household staples aisle. The individually wrapped rolls are easy to store and grab one at a time.
Bounty Advanced in the same count runs $32.99 at Costco, making the Kirkland Signature version nearly $9 less.
- 18-29
- 30-39
- 40-49
- 50-59
- 60-69
- 70-79
- 80+
Kirkland Signature Ultra Soft Bath Tissue, 2-Ply, 231 Sheets, 36 Rolls
Price: $24.99
Toilet paper is one of the easiest bulk buys to get right at Costco, and this 36-roll pack holds up well against national brands. At $24.99 for 36 rolls, it works out to under 70 cents per roll, and buying in bulk means fewer trips to the store.
Kirkland Signature Alkaline AA Batteries, 48-Count
Price: $16.99
A 12-year shelf life and no added mercury make this one of the better bulk battery buys for remotes, flashlights, smoke detectors, and other everyday devices. At $16.99 for 48, the cost per battery beats a comparable Energizer pack by a wide margin.
Stocking up now means a reliable supply on hand for hurricane season.
32 Degrees Unisex Cushion Slide Sandal
Price: $11.99
This foam slide has a pillow-soft EVA footbed that is easy to slip on for errands, the mailbox, or lounging around the house. Costco shoppers frequently compare the cushioned feel to premium recovery sandals like Oofos, which often sell for $50 to $65 a pair.
At under $12, it is an easy yes for anyone who spends a lot of time on their feet at home.
Bottom line
Costco is one of the best places for retirees to keep more cash in their pocket, whether that is a year's worth of calcium supplements or a case of tuna that keeps lunch simple for months. This month's picks cover a range of everyday needs without asking you to overspend.
Check out the Costco website or your local store for more ways to make the most of your membership every month.
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