Costco is testing a “scan-and-go” checkout system similar to Sam’s Club, allowing customers to scan items with their phones, build a digital cart, and pay through an app.

In-store shoppers don’t get all the fun though. If you enjoy shopping online, then you’re in luck. Costco has a great ...

Costco's parking lot raises the stakes in the age-old shopping cart debate. Here's what employees say you should do. There are two types of people in the world: those who return their shopping ...