There must be many local bartending training institutions, but most of them are small training institutions with little technical content. If you want to learn coffee, you'd better go to your home. Small organizations generally have a price advantage, but you can't learn anything when you go, and it's hard to find a job when you come out. I suggest you go to a large regular college to study, so that you can not only learn skills, but also ensure employment. And you can continue to study for free if you have new products after studying in a college. The study time depends on what courses you study and your learning ability, but it usually ends in two hours. There is no age limit for learning this, and the entry is relatively simple. Don't worry if you haven't touched it.