Sam’s Club has clearly taken note. You can see it in the way their prices frequently come in just under Costco’s. A hot dog ...

That, however, is certainly not the case at a Costco or Walmart's Sam's Club. If you were to wander into one of those this ...

But if you typically visit the store in the evening, you may have noticed that the Café closes an hour before the warehouse ...

The wholesaler says it is moving to a register-free experience where customers will scan items on their phone in order to pay.