This is a wonderful video showing the difference between residual and linear income.
Again, the sites mentioned in the video are as follows:
http://www.opportune.whyambitworks.com/ - Business Opportunity
http://www.opportune.joinambit.com/ - Become a Customer
http://www.dsa.org/ - Direct Selling Association website
http://www.bbb.org/ - Better Business Bureau website
