2. This situation is mostly a premeditated fraud crime. They take turns to open gyms from one city to another, and the annual membership fee is ridiculously cheap. The purpose is to attract greedy and cheap surrounding residents. Anyway, they usually shut down 1-2 months (or even less).
Nowadays, people in the city live fast and work hard. Many people simply forget to go or exercise once or twice after getting a card. Most of the time, the gym is empty and they don't know it. It may take half a year to remember that there is another card. At this time, there is no way to find the fundamental complaint.
4. Many of them are unlicensed private gangs, and even the identity cards of renting houses are fake, so it is useless for you to find the landlord. The landlord hasn't even received the rent.