There is one common thing in all SFI successful Leaders do and that is "they read understand and follow SFI Guides.
They feel and understand that how much money they can earn with the opportunities in SFI, such as TrippleClicks, Pricebenders etc.
Every Resources are there within the SFI for anyone to become successful, members need to read learn and follow it, that's how successful leaders are successful. There is no magic that's is they follow SFI guides.