You may start with this daily invocation. Say it every morning and evening.
Diane Vera’s site has lots of information for new Theistic Satanists:
Satan has a number of sigils including this one channelled by Behemoth-X:
Some more sigils:
Some Satanic enn chanting videos:
A guided meditation:
As for your requests pertaining to success, I highly recommend this course by Pater Amadeus, an actual millionaire:
Good luck and Hail Satan! Hail Shaitan Iblis! Ave Satana! Rege Satana!