That way when you more than double the golf pro's expectations, he will be most pleased. Whatever your result, however, the golfers you have helped will become your instant and enthusiastic supporters. To golfers, golf is a big deal. They spend a lot of time and a LOT of money in pursuit of improving their game. The more affluent the country club, the better.
Golfers are people and they have other concerns besides golf.
This is a natural and obvious place in which to expand your services. Maybe they get headaches or have asthma. Perhaps a spouse suffers from depression. Maybe a child has a learning disability. Many of them own their own businesses and have employees with PTSD, grief and other problems.