When someone asks me about SFI first thing I tell him how can make money, and they are:
Team Building = Earnings
Promotion of products from TripleClicks=Earnings
Promotion auction from TripleClicks= Earnings
Inclusion of new customers PRM = Earnings
Inclusion of new sellers ECA = Earnings
Opening their own ECA stores = Earnings
After that, each of the above i explain him in detail!
