Costco members are calling out a frustrating in-store behavior—finding opened and tampered-with products on the shelves.

Costco’s olive tapenade is a versatile spread that’s full of bold flavors from olives, capers, and pimientos. Spread it on crackers, pair it with a cheese board, or use it as a topping for ...

Boost your protein intake with these Costco must-buys! From rotisserie chicken to high-protein snacks, here are six protein-packed groceries that members love.

Costco is able to keep its prices low because it sells items in bulk, but that backfires when one of your purchases isn't up to snuff. Avoid this one.