If you insist on trying one of these MLM offers, the least you can do is look for proper business registration with BBB, toll free number, and proper address (no Post Office box). Also, you will need lots of family and friends to make it work. As a final step, check the MLM materials for one or more of these "red flags" that are associated with the worst of the offerings: 

This eco-friendly MLM is seriously committed: their headquarters are operated with wind power. They’re pretty future-facing in general, having implemented an innovative social marketing strategy amongst their reps. No one likes to be harassed on Facebook, but Modere’s social media plan is still 10 times more effective than holding home parties (kill me).
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