How to find a job as a guitar teacher or guitar assistant in a musical instrument store? What are the requirements and levels? I don't know what to say.

First of all, you should have a certain level of guitar playing skills. In short, playing, singing and solo must reach the intermediate level.

Secondly, we should have a little knowledge of music theory and understand the preliminary music theory.

Third, you should have certain conversation skills, and you can convey what you want to express to the college in an easy-to-understand way.

Fourth, we should have a certain understanding of various genres and music theories of guitar.