Looking for authors who have been published in the Amazon Singles store for interview

Are you an author who has been published in the Amazon Singles store? To check, here’s the link. If you can find your book there, I would love to ask you a few questions for an article I’m writing on the subject. I’m interested in the process, but more importantly, I would like to know if it was a profitable thing for you, why you are doing it (is it to promote your other titles?) and other important questions that will make this article helpful to other authors thinking about doing the v...