Letters by TopicLetters Mentioning CostcoLetters from Berkshire's shareholder communications that mention Costco.Read the company explainer →2014·Admiration for the membership modelA membership model built on relentless price discipline and trust is a remarkable retail moat.2020·Alignment created by the membership feeCharging a membership fee to buy at thin margins aligns the retailer fully with the customer.Explore the companyCostco is scored across the ValueOS tools. Open its full analysis.🏢 Company