being an Indian i can easily say that the most overrated activity are
1. Sponsoring more and more people.there is no limit of it,i say this because it the best solution for Indian affiliates to earn more an grow their business.
2. check in daily to earn 10 vp's.
3. advertising using social sites and personal blog as much as possible.
4. showing the power of friendship,convince more and more friends telling them the potential of sfi income.