Sifu On Demand is designed expressly to help you avoid wasting money, time and effort on a training system that does not fit you and your specific needs.
Committing to a path of authentic self-cultivation requires a teacher. Sifu means teacher-father and is essential to true and full understanding.
If you are on the fence about joining, consider that finding a good teacher is difficult is when you know nothing about your intended study. At the very least, complete Stage 1 to learn enough about traditional inner door methods to make an informed decision.