1. Observance refers to visiting strangers directly in the name of starting a business by a company or an individual.
2. Unannounced visits refer to obtaining relevant information directly by hiring college students or pretending to be college students.
3. The general information you need to know is as follows: what is the project to be carried out, who is the specific target (tourists), what is the approximate charging standard, how many people sign up, how many people attend each class, how much profit they make, where the teachers come from, and how much each teacher charges.
4. On the one hand, these contents can be understood by asking, on the other hand, the cost can only be estimated according to the size, schedule and original number of people of the institution, and then the profit can be understood by charging-cost-teacher's course fee, and so on.