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

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

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

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

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 ...

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

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

The warehouse giant is accused of leading customers to believe some of their products are made by the same manufacturers as ...

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

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

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