Read More: Earn up to $845 cash back this year just by changing how you pay at Costco! Learn more here. But if you're going to shop at Costco, you need to know the rules. Here are a few that may ...

Though Costco is fairly lenient, there are some things that can absolutely get you kicked out of the store, and even banned.

Costco Wholesale Corp. must face a proposed class action alleging it illegally intercepted the health information of website ...

Costco has started installing new membership scanners at several locations as it tightens rules on unauthorized membership ...

It's easy to understand why people might share a Costco membership. However, take a look at why it may not be a money-saving ...

Costco recalls Kirkland butter over an unlabeled allergen. Learn why accurate food labeling is crucial for consumer trust and how to respond if you’re affected.