Bear Marketing System allows you to earn money from multiple income streams, just by promoting one link. It is totally free and doesn't cost you a cent. This system has multiple affiliate programs that pays you money. Anyone that signs up underneath you in this system, by joining any affiliate programs there he'll have you as a sponsor automatically. So far it has 10 income streams, most of them are free to join, while the rest of them are very cheap. It also has forum, full of tips, software and tons of stuff that helps you market this business.