The Op asking how to make 1 bitcoin in a month but your answer is very far to the question of the op. Your right buy bitcoin to the trusted seller but its not the correct answer.  The answer is you can do Op trading but he need big capital to earn like that . Because if your capital is only little do you think you cam earn 1 bitcoin a month? The answer is no. And also use his skills to earn bitcoin like design of signature code, campaign manager and others and thats not easy you need a lot of time and hardwork if you do this.