Coaching and mentoring is not for everyone, as you have to be patient, and
Coaching, answering questions from beginners can be an additional revenue stream, with requests coming from all around the world, and being addressed in a Zoom-like conference mode
Software, hardware, promotion, distribution, live streaming...
There are many topics for which experienced artists and DJs can share their knowledge
Zoom-like conference mode to share face-to-face
Bidirectional live streaming is the best way to interact between teacher and students