Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Opinions expressed by Entrepreneur contributors are their own. In 1979, I viewed my first network marketing presentation and fell in love with the concept. At that time, I was a corporate manager for ...

Network marketing uses personal networks to sell products, with companies like Amway and Avon prominent. Pros include low startup costs; cons include potential losses if unable to resell products. To ...

Q: Some friends continue to try to recruit me into network marketing deals that seem like some type of money game or pyramid. Other friends tell me they’re illegal and I’ll get into trouble. How do I ...