Anyone who has been engaged in catering knows that the real good business is that there are not many people, but the kind that comes and goes from morning till night has a large turnover and is not tired: the biggest fear is that all of them will come at once, full, and then all of them will be gone, leaving no one left, and they will be busy for 2-3 hours a day. It seems that business is booming, but in fact, people are very tired, the labor cost is high, the turnover is low, and there is no money to earn.