I decided that it might be helpful to see my sales report in addition to the record of my ad spend and sales report.
So far the only 3 Ads that resulted in any sales were the following-
This is my ranking after the Bookrebel promotion-
Note– All of these promotions had a website AND a newsletter promotion. I also had much better results after I had 3-4 reviews so I would wait until you have a few reviews to promote. 5-10 reviews seems to be the sweet spot.
Here is my sales report so far-
Note– My highest sales day was release because those were all of the pre-orders going through.