Costco is a global membership warehouse club that provides a wide range of products, including groceries, electronics, clothing, and household items. The Taiwanese branch offers a unique shopping experience, emphasizing quality and bulk purchasing at competitive prices. Members enjoy access to exclusive deals, fresh produce, and a diverse selection of international goods. Costco Taiwan also features services like food courts and pharmacies, enhancing convenience for shoppers. Overall, it aims to deliver value and savings to its loyal customer base.