Long checkout lines are one of the biggest frustrations in modern supermarkets. Customers want fast shopping experiences, especially during busy hours after work or on weekends. When lines become too long, shoppers often feel impatient, leave stores earlier, or even abandon purchases completely. For one fast-growing supermarket chain, this problem was becoming more serious every month. Despite having strong customer traffic and high sales, checkout congestion was damaging the overall shopping experience. To solve the issue, the supermarket introduced a Shelf Service Kiosk solution designed to reduce waiting times and improve customer flow. Instead of relying only on traditional cashier counters, the retailer added smart self-service kiosks throughout key shopping areas. This strategy helped distribute customer traffic more evenly and created a smoother checkout process. Recent retail studies show that self-checkout systems are becoming increasingly popular. According to consumer surveys, many shoppers prefer self-service options because they are faster and more convenient than traditional checkout lanes. This growing demand encouraged the supermarket chain to modernize its retail experience.