Scared of Amazon Pay Per click?

Scared of Amazon Pay Per Click?

Recently I tried Amazons KDP pay per click for Indie authors. I didn't hold back though and I spent the whole $100 investment within a week as I really wanted to take a risk on this and see if it would work. This was the result: (click on the pictures to enlarge)

Ok, I lost money on the deal as I only made just over $38 but its not so much about the initial investment, but more about the exposure I got.