Some Walmart shoppers are grumbling about the retailer's self-checkout lanes. The benefit of self-checkout is in the eye of the consumer. For every shopper who is upset there's no self-checkout lane ...

"Fortress stores" with security-tagged chicken and steaks in wire security cages. GPS-tracked jars of instant coffee.

BOSTON – For stores, self-checkout is supposed to be a cost saver. For customers, it's supposed to be a time saver. But is self-checkout still worth it? Suddenly, retailers are not saving as much ...