There are many thousands of instructors on Udemy and others are not having this difficulty. I suggest you learn how to use the course creation system properly. I think you will find plenty of instruction here: https://support.udemy.com/hc/en-us/categories/204121207-Course-Building
Here you will find free course creation courses. I am sure you will find help here: https://www.udemy.com/courses/search/?price=price-free&q=Udemy+course+creation&sort=relevance&src=ukw
