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 ...

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 ...

Marketing is more of a science than its more creative counterparts – advertising, public relations and promotions – but, despite its emphasis on research and number-crunching, marketing still relies ...