One of Costco's most popular perks is its "risk-free 100% satisfaction guarantee" return policy. It's also one of its most controversial.

People who buy their milk at Costco have noticed that the Kirkland-brand milk stays fresh longer than other brands -- way past its sell-by date.

Lawsuit claims Costco is infringing on its trademarks, trade dress and design patents from Lulelemon's Define jacket, Scuba hoodie and ABC pants.

Sadie Robertson's Family-Filled Baby Shower Has Fans Buzzing About Baby No. 3's Gender originally appeared on Parade. What a perfect event! Duck Dynasty star Sadie Robertson Huff shared photos ...

Costco employees on the returns front lines have seen it all, from dirty and stained mattresses to half-eaten trays of cookies. Then there are the shoppers who rent from Costco.

Sadie Robertson and Christian Huff opened up about a robbery during their Atlanta trip, where their car windows were smashed and valuables stolen ...

Duck Dynasty star Sadie Robertson Huff says she and her family were the victims of a car robbery during a trip to Atlanta.

Hate haggling to buy a car? Costco members get prices negotiated. Here's how it works.

Pregnant Sadie Robertson Reveals Her Family Was Robbed During Trip to Atlanta Duck Dynasty's Sadie Robertson and husband Christian Huff, who are expecting their third baby together, detailed their ...

Costco's new Kirkland Signature Marshmallow Crispy Cookies are going viral as customers rush to buy the $9.99 box that combines nostalgic flavors into a gooey, chewy dessert.