It is a misconception that you have to be a Martial arts Master of the Wing Chun System to be able to teach the art or at least the beginning of the art to others! An instructors journey has to start somewhere and it cant start at the end of your own training!
Being a fully developed, well trained and well rounded Instructor does (And do not have any doubt) take many many years, Any where up to 15 years if we have to put a timeline on it, however to pass on knowledge and to gain a base level of students who wish to learn from you does not take this long, in fact you can get started fairly quickly and there are only a few traits that you need to pocess at the start.
Detailed below is the breakdown of how Wing Chun Kung Fu Schools details the journey of the expert Wing Chun Martial Arts instructor.
The Sifu Title (Meaning Teacher) is an approximate journey of 15 years and is detailed below as Sifu Levels: