Because the general dance class is to teach the basics. It is too difficult for students to learn well. Therefore, after learning the basics, we should study hard.
Watch more excellent dance videos of others and imitate them more.
Generally speaking, anyone who can be a coach must have at least 5~ 10 years of dance experience. It is not excluded that if you are talented and persistent, you can practice hard for 2 or 3 years. In addition, many gymnasiums, especially large and professional gymnasiums, require coaches to hold certificates.
I want to take a dance certificate or a professional coach certificate. It's ok to have a certificate of winning the dance competition. Anyway, there must be something that can prove your qualifications.