Discover the secret technique that allowed the author to found a digital training company in 2020 and propel it to success without investing in Facebook advertising. This simple and effective method, tested and approved by entrepreneurs in different fields, will allow you to sell your products and services on Facebook. The author shares his own story and promises to refund the purchase price of his book x10 if you fail to make a sale within 7 days of reading. Learn how to apply this technique to propel your business to success.