Most books don't fail because of bad content. They fail because nobody can find them.
Your title and subtitle are doing 80% of the heavy lifting before anyone even opens your book.
If your title doesn't tell the reader exactly what they're getting or your subtitle doesn't include the right keywords... you're invisible on Amazon.
💥 Doesn't matter how good the content is.
Think of your title like a search query.
What would someone type into Amazon if they wanted your book?
That answer should be in your title or subtitle.
Content gets reviews. Titles get sales.
Imagine if you're looking for a book on "How to Start Real Estate Investing."
Here are two books in the same search results... which one would you choose?