where to start in learning Manga and web comic

where to start as a beginner in drawing manga. what advice would you give to an absolute beginner. what should be learned first.

also, please share what your routine looks like. also, what are the ways to earn from it.

can you earn from posting on webtoon or tapas and HOW. do any of you have any experience that you'd like to share. also, if you know any other platforms that'll generate income pls do share.