If you are a brand operating in the consumer packaged goods space in 2026, the word "tariffs" has likely become one of the most disruptive forces in your business planning. And nowhere is the collision between global trade policy and retail strategy more fascinating — or more consequential — than at Costco Wholesale, where the Costco tariffs 2026 story has produced lawsuits, Supreme Court rulings, pricing pivots, and a masterclass in how the world's most powerful warehouse re