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

Kirkland Signature spirits are a good buy, often made by reputable brands and sold at a good price. We pick out the tequila ...

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

Costco regulars say these overlooked items—from wipes to sardines—are some of the best bargains in the warehouse.

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 ABC pants.

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 ...

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