Great Clips in Sunnyvale is a popular spot for affordable haircuts for men, women, and kids. The salon offers various hair care services, including haircuts, beard trims, and shampooing, with no appointment necessary. Customers appreciate the economical pricing and friendly staff who listen to their needs and provide suggestions. The check-in system helps to minimize wait times, and the staff is generally welcoming. Some customers have had exceptional experiences with talented stylists, such as Jennifer, who has built a loyal following. However, there have been some issues with the check-in system and communication, leading to frustration and disappointment for a few customers. Despite this, many customers have had positive experiences and would recommend this location.