lives and so they are very busy people.
you are telling them that you see them as disciplined and organized enough to create and schedule what practice time will be required of them without a teacher.
you are telling them that they are being responsible to themselves in practicing the discipline and organization they need to get things done for themselves and those they are responsible for.
you are telling them that your product is so complete, you will not need to pay a teacher week after week to tell you what you already can see for yourself. or you are telling them that your product is so complete that it contains everything 