As an executive member, I have shopped exclusively at Costco for a decade. My staple groceries include frozen fruit, salad ...

Kirkland Signature Marshmallow Crispy Cookie is causing a frenzy as Costco shoppers share enthusiastic reviews, with some ...

To those of us who live in Seattle, Kirkland is a charming waterfront suburb. I most associate it with a quirky tiki bar that’s now long gone and a friendly kitchen store that repaired my beloved ...

These 7 Kirkland Signature snacks at Costco deliver big flavor and great value, beating name-brand options every time.

Discover seven Costco member favorite products on sale now, from ice cream makers to protein shakes and snacks, with ...

Costco sells house-brand motor oil under the Kirkland Signature label it uses for many other products. Does this oil pass the ...

For background, let’s go to Alexander Aciman’s exhaustive comparison of a pair of two pairs of pants: one sold by lululemon, and one sold under Coscto’s in-house brand Kirkland Signature. This was ...

The once-famous budget-friendly golf ball has been discreetly upgraded with impressive results. Here's how you spot the new version.

Costco may be known for its rotisserie chicken, convenient take-and-bake meals, and top-tier bakery section, but within the ...

Some of the best Kirkland Signature items to shop at Costco in July are fairly obvious while others might surprise shoppers.

You wouldn’t expect a brand that makes cashmere sweaters, batteries, and 900-count packs of baby wipes to also produce some top-notch food products.