In all the company...look for this few stuff before you join them...
1. Product - Is it affordable , reasonable price, good and effective ?
2. Plan - Compensation Plan fair enough ?
3. Proven Track Record - Is the company at least 5 years old ? What is the profit etc ?
4/ Potential - are you the last one to join, Can you expand to the whole world?
5. People - IS the people who teach you "Know How" ? Is they successful in the MLM. Will they teach you?
8 Support - Company support and people support