Costco announced it will raise the membership fees in the U.S. and Canada starting Sept. 1, 2024.

Costco Wholesale will add membership scanners to combat customers who have shared their card to let friends shop.

Costco members have struck gold at the big box retailer, which sells 24-karat 1-ounce gold bars.

"They're typically gone within a few hours," a Costco executive said.

Novaform ComfortGrande and DreamAway mattresses that were sold exclusively at Costco have been recalled due to the risk of possible mold exposure.