As long as you want to learn, you can study hard. I also have many friends who run bars. No one earns less than 3000 yuan. However, as a boss, you will definitely look at your overall skills. You should choose a school with comprehensive teaching ... Learning skills is not about buying food in the market, but about whether it is worth it ... As the ancients said, "You can't hide a wolf in your shoes" ... Think about it!