Welcome to the industry. In addition to what Jocelyn mentioned, try to join any networking groups in your area and start promoting and marketing your business. Meet as many people as you can and pass your business cards around. Make connections with doctor’s offices, chiropractors and other similar professionals to let them know about you and the type of training you offer and what type of clients you are looking to work with.
Be a good listener and pay attention to your clients. Try to learn as much as you can about the new fitness trends and ideas that are out there and have and open mind. Beyond that, it’s up to you how far you are willing to take your business.
I wish you the best!