How Would a Locally Owned Fitness Centre Develop a Sustainable

How would a locally owned fitness centre develop a sustainable competitive advantage over a chain like Gold's Gym?

A) Advertise in health and fitness magazines
B) Develop relationships with members by offering unique work-out programs with assigned instructors recommending specific routines to suit their needs
C) Offer more classes
D) Reduce membership fees
E) Utilize a computerized database management system to monitor visitors and out of town guests