(I couldn't find either of his books on Amazon, but if these numbers are true...dang.)
"Derricks was determined to break the pattern when he self-published his first book, Conversion Secrets, Optimize Your Business For Sales Workbook – aimed at Amazon sellers – for $400 a copy in October 2015. He sold it directly to his customers. Derricks found the readers very receptive and says he managed to sell 1,004 copies in in nearly 50 countries. His frequent speaking engagements fueled sales."
"Derricks was determined to break the pattern when he self-published his first book, Conversion Secrets, Optimize Your Business For Sales Workbook – aimed at Amazon sellers – for $400 a copy in October 2015. He sold it directly to his customers. Derricks found the readers very receptive and says he managed to sell 1,004 copies in in nearly 50 countries. His frequent speaking engagements fueled sales."
https://www.forbes.com/sites/elainepo...