Do what you love. When you can show and transfer your passion for something to others they will take notice. There is a market and customers for everything out there. Google the most obscure things you like and see how many results you get.
Do you remember the dating scene? For a lot of people it was not easy. Just talking to someone new might havw been hard. Why? You felt like you were looking for something each time you opened your mouth. You second guessed what the intentions were and therefore were nervous. This caused more failure then successes.
Now what happened when you finally got in a serious relationship. You were relaxed talking to the same crowd because there was no pressure. You excelled at it and realized how easy it can be to meet new people.
If you can harness that feeling and the passion you for something you love you will sell it to a lot of qualified people.
That is one secret to getting rich and being successful.