By making a deal with the devil you revoke your place in God's eyes as one of God's child. So in the long term you lose - regardless of what you have bargained for. For do not forget a deal with the devil comes at a price and that is usually damnation of the soul.
Reference - religion
Yes, yes he did sell his soul.
No.
No.
No.
No.
No.
No.
No.
No.
No.
No.
No.