This article in Publishers Weekly discusses the pros and cons of paid reviews and it’s a good read if you have written a book and now you want to promote it. When I say “paid reviews,” by the way, I’m talking about pro (and pricey) review services like Kirkus and Blueink, not $5 reviews on Fiverr. Link to article: https://www.publishersweekly.c....om/pw/by-topic/autho