The profit is between 20-35. Usually the cost of a roast duck is about 15 yuan, and the cost of side dishes and lunch boxes is about 7 yuan, so the profit is still very considerable.

In the preparation of roast duck skin water, you must pay attention to some details. For example, whether the honey or maltose you use is thin or dry and thick, different consistencies are different. There is definitely a difference in the proportions used.