T explain what SFI is about in a simple way is that,
Sfi is a multi level marketing business.
You Become an affiliate free and make more Sfi affiliates for free through your affiliate link.
Then you maintain an Executive level by scoring 1500 versa pints each month and teach your downline the same thing.
This will make you an income stream which is called residual income.
Realy hope this will help you out...