"Costco Shopping Hacks: How to Save Money and Skip the Membership Hassle"

Costco superfans James and Elyse Koskela, who even named their son after Costco's Kirkland Signature brand, share five items they believe Costco members should stop buying, including Kirkland Signature toilet paper, copy paper, bird food, party snacks, and Kirkland Signature 2L olive oil. They suggest alternatives for these items and emphasize that while there are many products they love at Costco, even superfans have their limits.