1. The sales of gyms depend on the city and its size. The average monthly income of mainstream cities is 300,000-400,000, and that of second-and third-tier cities is 200,000-300,000, so the average monthly income is 200,000-400,000.

2. There are two main ways for the gym to make profits. One is to collect fees by applying for a fitness card. The other is private tuition fees. Of course, the gym also has other additional services or other businesses such as fitness meals.