The Ugly Truth About sales funnels that work

https://www.scribd.com/document/414067138/The-Most-Underrated-Companies-to-Follow-in-the-clickfunnels-pricing-2018-Industry

The purchase funnel, or obtaining funnel, can be a purchaser concentrated marketing product which illustrates the theoretical consumer journey to the purchase of a product or service. In 1898, E. St. Elmo Lewis