Well there are no VPs awarded for contacting Sponsor/Co-Sponsor, if that is what you wanted to know. However, you stand to gain a lot in acquiring valuable insight into SFI if you are in touch with your uplines.
The SFI online teaching methods are very simple and easy to learn. One needs to have the time and patience to read and study on a regular basis. That's all. Contact your uplines only when you are in doubt.
