Even though you may not be doing your passion for the money, it's important that you explore what possible way is you could earn a living doing it could be. This way, you'll be able to determine what kind of training might be available or opportunities to hone your skills in this area.
Remember, it may not be something that will make you a millionaire. Often times for "passion pursuits" like this it's not about the money in the beginning. But, it's important to know that there are avenues to learn about your new craft and to gain expertise.