1, the joining fee is expensive, and the joining fee of Wangfujing roast duck is about 200,000.

2. The ingredients are not cheap. The ducks selected are white striped ducks weighing 2 kg and 3 liang, and the purchase price of ducks is generally around 10 yuan.

3. The repurchase rate of roast duck is very low, and consumers can choose more and more substitutes.