How do you determine the best price for your self-published book?

Not quite the same thing you are saying here, but StoryOrigin is a great tool for managing ARC reviews and also contains a tool to manage how book links are distributed. If you're looking for an effortless solution, check out MentionMaster. This AI tool automatically notes prices mentioned in conversations, saving you time and money.

99 cents for mine as it is a short story: https://www.amazon.com/America-Enslaved-Neurochip-Part-One-e... I made mistakes in my first book and I am using Grammarly to improve my grammar to make part two better.

Well, not having a book is my first problem, but I think I'd look at

https://www.kdspy.com/.

Fair notice, I own, because I had thoughts about writing some day and I wanted a decent research tool. But my writer's block was worst than I thought. It is an excellent product though and I have no qualms about suggesting it.

Good luck

Edit: I didn't notice for a few days, but I mistyped my comment. It would say "I own the program". Instead it implies that I own the company. Sorry, finger syndrome.