2, the general cost of learning such a technology is probably between 5000-7000

3, it depends on your province, different provinces price is different,

4, or suggest that you personally go to the experience, so it will be better

5, go to the examination. If it is good, yourself in the decision.

6, generally learn this 1-2 months, depending on your ability to get started. And then decide on your own.

Hope it can help you, wish you a happy life