The sign of a healthy appointment book, high utilization means your service providers are busy, with more guests serviced and fewer unfilled slots in your schedule. Percentage of available time in which services are delivered Staff utilization Salons Top earners 84% High achievers 76% Average 67% Nail salons Top earners 81% High achievers 75% Average 69% Barbershops Top earners 84% High achievers 73% Average 62% Membership-based spas Top earners 77% High achievers 70% Average 64% Waxing centers Top earners 64% High achievers 57% Average 48% Non-membership spas Top earners 89% High achievers 76% Average 60% Medspas Top earners 78% High achievers 64% Average 47% 15