Lululemon Athletica claims in its lawsuit filed in the U.S. District Court for the Central District of California that Costco ...

Costco and Sam's Club both offer sweet cream butter, but which warehouse brand delivers the smoothest and creamiest product?

These 18 Costco meals are high in protein (30-plus grams per serving), low in effort, and made with just a few real-food ...

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

Cheaper look-alikes have been around for years, but social media has made them more popular. Dupes can move into shaky legal ...

Whether you’re a seasoned pro or a new shopper, these 12 Costco shopping hacks, including why to upgrade your membership and ...

Costco’s iconic $5 Kirkland Rotisserie Chicken is well worth the price of membership, customers say. “If you buy a rotisserie ...

Add the pesto and toss to coat. Set in the fridge to chill for at least 1 hour or up to 2 days. When ready to serve, add the ...

Kirkland Signature Organic Extra-Virgin Olive Oil is among the best on the market. The highly hyped oil is sourced from ...

In a lawsuit against Costco over a variety of apparel designs, the athleisure brand laments the proliferation of ...

The athleisure company alleged in a lawsuit that Costco is selling discounted "dupes" of some of Lululemon's most popular items.