Joy. They're happy doing what they do most days.
Money. They can make a sustainable living doing it.
Flow. Something that when you do it, you get in the zone. Many people I talk to, have found joy and flow, which are interrelated and usually get one with the other. The problem and hang up often is, how do I make money doing it?
Explore income streams.
Hire an expert in the field to help you devise a business development plan.
Do your research to see what others are doing and how they're making a living doing it.
Bring your own twist that will set you apart.
Model your business after major corporations who put out new products and services regularly.
Use social media creatively.