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 ...

If you're a Costco shopper -- and you also love ice cream bars -- we're comparing Kirkland Signature and Haagen-Dazs ice ...

Shoppers maintain that Kirkland toilet paper isn’t what it used to be. “Toilet paper quality has gone downhill. Now it’s ...

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

Lululemon is accusing Costco of leading customers to believe that these dupes, slang for duplicates, “are in fact ...

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

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

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 ...

Arguably, the best part about going to Costco is feeling like you got a great deal, but how does the chain keep its Kirkland ...

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

Lululemon has filed a lawsuit accusing Costco of selling cheap “dupes” of its popular yoga pants and hoodies. The company ...