There is not much money, about 654.38+ million. The key is your purchase channel and sales, and the precautions are nothing. You can sell what others can sell. 1. Identify the authenticity of medicinal materials, 2. What medicinal materials are valuable?
I suggest that you'd better work in a pharmacy for a while, learn the tricks inside, visit the medicinal materials market more, and talk to some people who do medicinal materials business.