I published The Heir of Bluescale on 10/01/2017; I didn’t not really promote it the first week, because I was trying to figure out how to get Amazon to price match KOBO and NOOK where I have my book for free. Finally I found an article that let me know simply clicking on notify Amazon of a lower price will not work. Of course I can’t find the same article now to give the author the credit. But here are the steps.
Log into kdp.amazon.com
Click on Help in the upper right corner of your screen.
On the next screen scroll down to the bottom of the screen and click on Contact Us.
From here you will need to click on Amazon Product Page, then Price Matching. Then simply fill out the form and click send. You will need your Amazon ASIN number and the links to where your book is already free on other sites.