There are all kinds of price points. The key is to look at the cost performance. For example, whether accommodation is included. There is also the intensity of the semester and courses. Don't just look at the total price, you can average out which price is more suitable for you in each class.
The market price of daily interest classes is reasonable between 30-60 hours.
If the market price of professional remedial classes exceeds 3,000 yuan a month, you should weigh whether it is appropriate.