@Eltimir1989 A great start I believe is to read this excellent post from my Udemy friend @LawrenceMMiller it is the Milestones and Inspiration area and a great way to have a level headed start to your time here. I see that at this stage you are somewhere in the course creation phase. So whilst sales are appealing the first step is to create an amazing course. Things you can start to do is ensure you create authority maybe through your social media channels and blog - preparing people in advance that you are bringing them a course soon.
I think Sharon meant to send you to this post on marketing: https://community.udemy.com/t5/Marketing/How-can-I-market-my-course/m-p/435#M40
It seems to be a bit hard to find now. I think the problem is that it is in the Instructor's Community, not available to Studio U members. Maybe I should repost it there because it is certainly relevant as one begins their journey on Udemy.