Best Buy is a popular electronics retailer that offers a mixed customer experience. While some customers have had great experiences, such as with a patient and helpful staff during a first-time laptop purchase, others have faced issues like long wait times and incorrect delivery information. The Concord, NH location seems to be well-liked, with friendly and professional staff who provided a positive installation experience. However, the store has undergone numerous changes, and many customers now find it easier to shop online. Overall, Best Buy provides a varied level of service, with both satisfactory and frustrating encounters reported by its customers.