Costco Wholesale is a members-only warehouse that offers a vast selection of items, including bulk groceries, electronics, and more. While the store generally provides a positive shopping experience, some customers have reported issues with customer service. One reviewer mentioned an unhelpful employee who was unable to direct them to the paper towel section, which was out of stock. Another customer was disappointed when a coupon they had was not honored as expected. The bakery has also received some negative feedback, with one reviewer noting rude employees and poor customer service skills. However, other customers have praised specific employees, such as a friendly and efficient checker named Dana and her colleague Joannie. Overall, Costco Wholesale seems to offer a wide range of products, but the quality of customer service can vary.