How much money can you make in BMX?

So, I'm curious, how much money can one realistically expect to make in the world of BMX? Is it a viable career path for those looking to make a living through their passion for biking? Or is it more of a hobby that can generate some supplemental income on the side? Are there any successful professionals in the industry who can serve as role models for aspiring BMX riders? And what are the key factors that determine how much money one can potentially earn in this field?