1. You can go to New Oriental for training, which should be more professional.

2. The general cost of learning such technology is about 5000-7000

3. It depends on the province you are in. The prices are different in different provinces.

4. It is still recommended that you experience it in person, it will be better

5. Go Check it out, and if it's good, make your own decision.

6. It usually takes 1-2 months to learn this, depending on your ability to get started. Then decide for yourself.

I hope this helps and wish you a happy life