From what I have seen, depositing before making the commitment makes you much more likely to succeed. Seeing the money leave your account creates a lot of psychological pressure that otherwise doesn't exist.
The verification system is not fool proof. If you put some effort into forging proof you will succeed. However, I do not believe most people who willingly sign up for this would do that.
The verification system is not fool proof. If you put some effort into forging proof you will succeed. However, I do not believe most people who willingly sign up for this would do that.