The 39 Step Product Launch Checklist provides a guideline for small businesses to follow when launching a new product or service. It recommends communicating value to customers, building anticipation and urgency, testing website functionality, thanking customers, and asking for help spreading the word. Following the checklist steps aims to increase the chances of a successful product launch by properly engaging target audiences and preparing the market to accept the new offering. The document emphasizes the importance of vision and bold leadership from companies to revolutionize their business and stay ahead of competitors.