The latest December Holiday Savings Costco Coupon Book is here, and we’ve got a list of all the savings and sales from the Costco ads in one place! The latest members-only deals are valid from October ...

Costco now requires members to scan their membership card or QR code to enter its warehouses, in another bid to limit shopping to paying members, but the rollout of scanning devices may take months.

Costco is testing a "Scan & Go" system to expedite checkout. The new system will allow customers to scan items with their phones and pay through the app. The "Scan & Go" system is being tested in 27 ...