If you have experience in any field you can arrange your knowledge and turn it into a course, this not being look into by a lot of people, but there's every tendency that you know enough to help someone out with something, what do you spend most your time doing?
If you can build an audience around that you can then monetize it and make more profits doing it, you can then pre-record yourself or write a book about it and sell to other people, you can also get on YouTube and teach, then you get monetized by the platform or make it a lead generation magnet for your course.
If you can build an audience around that you can then monetize it and make more profits doing it, you can then pre-record yourself or write a book about it and sell to other people, you can also get on YouTube and teach, then you get monetized by the platform or make it a lead generation magnet for your course.