The purchase price of duck sausage is very, very low. The purchase price of brined duck sausage is probably only between 9 cents and 11 cents, which may fluctuate depending on the weather.

But including the cost of various ingredients and oil, the cost of duck intestines is about 50 cents. In other words, for 40 skewers, the total cost is only about 4.5 yuan, a profit of more than 50 percent, which is a hefty profit. But the general sales volume is not very high, the day's net profit calculation is not much.

Fresh duck intestines on the market, the price is generally a catty 30 dollars or so, and they have this kind of iron plate duck intestines, four or five hundred dollars can buy 5,000 strings, sell a copy of the money can earn six or seven dollars. There is actually a lot of profit margin! Of course there is also the cost of buying machines, rent, utilities, labor costs.