After a few weeks of my book being available for free, I started researching book marketing techniques. I discovered that KDP Select was a highly recommended option and still allowed you to do free promotions of your book.
Since I have released a lot of stuff in the past for free, I was starting to wonder if it might be worth experimenting with KDP Select to see if people might pay a small amount of money for my book. I launched the ebook at $2.99.
I knew from previous experience that Amazon was likely to grant me a wider audience than I could accomplish on my personal website, so it seemed worth the risk to try it out for 3 months and see what happens.