[Help]How to earn money in steemit? How much you earn?

I'm a new man here, I heard steemit before, but I didn't discuss deeply here, I hope you can share your experience to me and others.

• When you realize steemit can earn money?
• How much do you earn in a month?
• Where I need to start, as a new guy?
• The model of steemit is a steady way?