Nice Question
You will remain focuse on SFI Business while there are other company because the SFI is the second Income,that mean is not your First opportunity to make money online even though for the other is there first income
Second when your the member of SFI you will be Trained on how you will success
and third when your with SFI Member also you will do it as for the Fun while you make some extra income in your pocket
Hope that help
Good luck in success