Costco is a global membership-based warehouse club that offers a wide variety of products, including groceries, electronics, clothing, and more, all at competitive prices. Known for its bulk-buying model, the company provides significant savings to its members while ensuring high-quality goods. In Spain, Costco emphasizes excellent customer service and a unique shopping experience, featuring both local and imported products. The website showcases their extensive inventory, ongoing promotions, and information about membership plans. Overall, Costco stands out for its value-driven approach and diverse offerings tailored to meet the needs of its members.