Costco's in-house brand, called Kirkland Signature, sources its items from many famous brands you might not expect. Here's ...

Are you overlooking some of Costco's best-kept secrets? Dive into our list of the most underrated Kirkland brand items and ...

Costco's in-house Kirkland Signature brand has some hidden gems, but these seven products are definitely not their best.

According to buyers, Costco's Kirkland brand can be hit or miss. From diapers to detergent, here are the Kirkland items you're better off leaving on the shelf.

One of the latest Kirkland Signature product drops is on sale this month as part of the members’ only deals: The new ...

Costco actually has a number of strategies it uses to keep prices low for members. For one thing, because it makes a lot of money off of membership fees, it can accept lower margins on individual ...

The company famous for its $1.50 hot dog and soda combination is growing its in-house brand to combat tariff pressure.

As the nation’s largest grocery retailer, Walmart offers competitive pricing without a membership fee. Many items, like milk, ...

Tests found that some of the Kirkland-brand tequilas were so adulterated they didn’t even qualify as tequila under Mexican law, according to the suit.