Viewed through the lens of value, this workbook is actually very inexpensive. We use this process and workflow with some of the world's biggest corporations to help them achieve their business goals. There are tens of thousands of hours of work incorporated into the value of this product. It's been tested, retested, integrated, refined, adapted, and continuously improved over the years.
Said differently, it will save you several days of research, as well as however much time you would need to build the workbook and then think through the process. So depending on how you charge for your time, the ROI on this investment is excellent to outstanding.