
by Gary C. Halbert
Rating: 4.9 ⭐
A treasure-house of high-power marketing techniques.
Read this BEFORE buying. While every single strategy, technique and concept revealed in this easy-to-follow little book is more profitable than ever... this cult classic was written back in 1990 so please keep in mind how the tech has changed but the psychology of selling hasn't. For example, inside the book, there is a section on 900 numbers which appears useless until you realize it's 100% appl