What you can learn is just a scratch, and learning a few skills is of little use in the future society. Now that you want to learn baking or go to a professional school, you think you should be an apprentice. First of all, the master is not your relative, but what you learned at school after teaching tuition. He can't teach you wholeheartedly. I won't teach you without reservation, that's for sure. The second is to study in the store. It is impossible to show you the materials in the store casually, because the cost depends on the store. The teacher at school will give you practice materials. This is completely different. If you study outside, you can do odd jobs. Do some cleaning and watch the master do it. That's all. So if you want to learn the real baking technology, you have to go to a professional school.