The Kirkland Signature brand alone brings in almost a quarter of Costco's revenue. Kirkland toilet paper is the best-selling Kirkland Signature item. The Kirkland lineup includes around 550 products.

Fortunately, there are a lot of prepared Kirkland Signature meals available at Costco every time I visit, and I'm always curious to see how good they actually are. My family ate and ranked 19 ...

If you're a Costco butter buyer, you'd better check your fridge. The U.S. Food and Drug Administration issued a recall on 79,200 pounds of the company's house brand Kirkland Signature butter sold ...

Switching from brand-name to Kirkland Signature products is probably my second-favorite way to save money at Costco. (Number one is to use my favorite Costco rewards credit card.) Earn up to $845 ...

Costco's Kirkland Signature Blended and Single Malt Scotch Whisky range represent outstanding values, perhaps among America's best Scotch whisky buys.