Not as high as they say. Our hometown is Suizhou, Hubei province, which is a mushroom planting base. As far as the bag of mushrooms is concerned, the cost is about four yuan. The average output value of each bag is about 10 yuan, and the labor is removed at the beginning. For example, it takes half a year for a family of two laborers to plant 3000 bags at most, and it is not enough for two people to manage the harvest. Let's do the rest by ourselves)