How Successful People Make the Most of Their marketing 80/20 rule

https://www.scribd.com/document/415081708/7-Simple-Secrets-to-Totally-Rocking-Your-clickfunnels-pricing

The purchase funnel, or acquiring funnel, is actually a consumer focused advertising design which illustrates the theoretical purchaser journey to the acquisition of a goods and services. In 1898, E. St. Elmo