if your book is priced at $2.99 or more. I cannot do that, I’m afraid, since my kid is too short to tag it with more than $0.99
On Giving Birth to My First Book
Mateja Klaric

There’s a lot of different strategies and tactics around pricing. I can’t claim to be an expert, but I do know that no matter what works for one person may / may not work for your audience.

The only certainty comes after you’ve tested, measured and studied your own results.