29 yuan buffet hotpot can earn 60% for one person. According to the relevant public information, generally speaking, a person will eat about 1.2 Jin of food in the buffet hot pot, but the cost of these dishes and drinks is very low, so the net profit can reach 60%. Self-help hot pot refers to the consumption form of hot pot in which consumers can choose dishes at will, but the dishes they choose must generally be finished or eaten to a certain extent, otherwise they will have to add money, in order to prevent some customers from wasting dishes excessively. There will be some private rooms in the self-service hot pot restaurant, and the dishes are also very rich. However, this hot pot restaurant does not charge per person, but charges by dishes. The dishes with different prices are packed in different plates, and the waiter counts the number of various plates when the customer checks out to determine the consumption amount.