Costco employees get irked when people don't respect the two lines formed to show your receipt when leaving the warehouse.

Is there is a limit to how many items you're allowed to bring through the self-checkout lane? Read on to find out.

If you're a veteran Costco shopper, you might be familiar with the limited-run vendor roadshows for high-end (but heavily discounted) items like Vitamix or Traeger grills. But did you know that ...

I'm a diehard Costco fan who's been shopping at the store for over 20 years. On a recent trip to the wholesale retailer, I saw lots of warm-weather essentials. I can't get enough of the Toom ...

Behind Costco's Treasure-Hunt Shopping Strategy Costco is one of the biggest and most successful retailers in the country. In this video, WSJ’s Sarah Nassauer dissects the wholesaler’s unique ...