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

2. The ingredients are not cheap. The ducks selected are all 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.