This specialty area could be a grand slam for your business.
Do you enjoy playing tennis? Do you want to help tennis players stay injury- free and improve their sport-specific fitness levels? If yes, you may want to consider training tennis players as a career niche.
According to a survey from the Tennis Industry Association (TIA 2012), over 28 million people in the United States play tennis each year. Business-wise, tennis players can provide a great source of clients—if you have the interest and knowledge to effectively help them.