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

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

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

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

Costco launched a private label named Kirkland Signature that put a unique spin on the concept of shopping generic. The ...

Lululemon alleges that Costco has stolen the intellectual property of its Scuba hoodies and sweatshirts, Define jackets and ...

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

No, Costco is not open on July 4th and will be closed on the 4th of July this year. So, to pick up a cheap rotisserie chicken ...

The Canadian athleisure brand has accused the warehouse club operator of copying at least six of its products, including its ...

Vancouver-based Lululemon asserts that Costco sells apparel that mimics the look and feel of its products.