ANSWER:
No, it is absolutely prohibited to go to such a sorcerer who utilizes the jinn and going to him and believing in him or doing what he says would take you out of the fold of Islam!
Make dua to Allah sincerely during times of acceptance, such as in salah in your sujood, in the last tashahud, before making salam, between Azaan and iqama, during the last third of the night, begging Allah until He opens the door and answers your dua and be careful from now about where you invest your money.