Self publishing is more competitive than ever and it is basically impossible to make significant revenue from your book.
And so... don't try to sell your book and don't even try to make money from it.
Instead, use your book as a "hook" to hook the attention of your dream clients.
Here's the secret...
You need to go from thinking of your book as the end in itself (the thing you sell), and instead think of your book as the "front door" to your business.
Put another way, your book is the means (a way to hook the attention of your dream clients) to an end (the program or service that you sell as a coach or online business owner).
Your dream clients will see your book and then be hooked and attracted through it as the front door of your business.
Then, you follow up and serve, educate, and inspire them to take action.