According to the market, the average gross profit margin of pot-stewed snacks is about 40%, and the average daily turnover is about 2000 yuan. Calculated daily net income can also reach 800 yuan, and the income of well-run businesses is much higher than this.

As for selling box lunch, the market price of an ordinary box lunch with two meats and two vegetables is about 10 yuan, and its production cost and packaging cost add up to only 5 yuan, with a profit rate as high as 50%. The market price of three-meat and three-vegetable box lunch is about 15 yuan/serving, its cost price is about 5-6 yuan, and the profit rate is about 67%. If the box hotel is located near the university town, its price may be lower, and investors will naturally get less profits. On the other hand, if the box hotel is located in popular locations such as stations and commercial blocks, the market price will naturally be higher and investors will get more profits.