You don't need extra money to get a card. You can participate in all events except Taekwondo.

There is no harm in keeping practicing without a coach. It's expensive to take a coach.

The store does not encourage you to apply for a monthly card. Actually, the price can be around 150 yuan for a month.

It's best to feel the environment. If you don't like sports and don't stick to it for a long time, it will be difficult to have an effect.