Why not create your own courses about what you teach and put them up on Udemy? You can make some extra money on the side and learn a new skill of developing co

Why not create your own courses about what you teach and put them up on Udemy? You can make some extra money on the side and learn a new skill of developing courses. Another option is to start a blog about something you are passionate about. Building an authority site takes time, but you have a few options to make money from it.