Seemingly smart bulk buys can come with hidden trade-offs. Here's how to spot them and shop more strategically.

Popular retailer Costco has been testing checkout technology that members frustrated by the sometimes long lines at its ...

Costco installed ID scanners at more than half of its US warehouses and says the system is working. CEO Ron Vachris said the devices help things run more smoothly — for the company and its ...

California, Texas, Michigan and Massachusetts are among U.S. states getting new Costco stores in the coming weeks. ... A Costco employee helps monitor customers at Self Check-out kiosks in Florida.

Costco (COST) reported mixed results on Thursday after market close as shoppers sought out value during the rollout of Trump's tariffs. Adjusted earnings per share came in at $4.28, beating ...

Costco has been testing checkout technology it hopes will speed up the checkout process, something members rank as one of their significant concerns with the warehouse retailer.