Costco Pharmacy in Niles offers a positive experience characterized by helpful staff and a customer-focused approach. Customers appreciate the assistance in finding items and the prompt service at the pharmacy window. The pharmacy staff are known to be kind and accommodating, even returning unused medication and offering refunds when appropriate, demonstrating that customer satisfaction is a priority. The store itself is busy, especially on weekends, and aisles tend to be tight due to the large volume of products, including Asian items such as sauces, ramen, and dumplings, which are often unavailable at other locations. The gas station on the Niles/Chicago border frequently experiences long lines, especially with customers from Chicago trying to fill up, so visitors should be prepared for wait times. Members enjoy shopping here for a wide range of products, including frozen foods like burgers, veggies, and shrimp, as well as everyday essentials like toiletries, cleaning supplies, and snacks. The store offers great value through its bulk items, such as bread, bagels, and buns, which can be frozen for later use. Many customers find the return policy to be stellar, with easy refunds and even membership cancellations if needed. The store’s self-checkout lanes and the option to grab a pizza slice on the way out enhance the shopping experience. Accessibility is also highlighted, with staff providing assistance to those with mobility challenges. Overall, Costco Niles is praised for its helpful staff, good product selection, and customer-friendly policies, making it a popular choice for regular shoppers.