Check Out My BRUTALLY Honest KDP Rocket Review article:
https://www.freedomboundbusiness.com/kdp-rocket-review/

In the review I go over:
-KDP Rocket vs Kindle Spy
-A KDP Rocket tutorial
-How I use KDP Rocket for 3 core research aspects of Kindle
Publishing
-Pros and cons
-And ultimately the answer to: "is KDP Rocket worth it"?

Related
https://www.youtube.com/channel/UCyjIlhNe0pXz8YHzpRRe1fQ?
https://www.youtube.com/watch?v=raAwAwyScNQ
https://www.youtube.com/watch?v=nBr6dJfjdd4&list=PLYM9u8HakH_rBpfxqtLfmTtDp_pQKUYqV