How does a new KDP writer supposed to market a book?

If your book is well presented, well written, and basically free of typos, then

You cannot effectively promote books

How does a new KDP writer supposed to market a book?

Is there a type of function where every point has exactly one tangent line passing through it? If yes, what is this type of function called?

Are you planning to proofread your book to avoid sentences such as

B) that are filled to the brim with typos or errors.

E) Take a solid year to learn how to use Amazon or Facebook ads and be prepared to lose quite a bit of money as you figure it out.

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D) Pay promotion services like Written Word Media to promote your book. Legitimate services will not accept your book for promotion if the presentation is crappy or the book is badly written.

D) that are presented with bad covers, bad descriptions, or ludicrously bad interior formatting.

C) that are unreadably terrible in any other way.

The world needs the United States, but the USA doesn't need the world. Is this true?

B) Build a newsletter mailing list of people who will buy your book because they trust you to write books they want to read. This is slow, but ideal.

Or

A) Build a following on social media, a following of people who will buy your books. Good luck with that. There is very little evidence that social media can translate to sales.

Family scapegoats with years of healing: what events or thoughts precipitated your full acceptance of your family's narcissistic dynamic? Can you share your inner thoughts as you reached it? How do we know when we have reached full acceptance?

A) that are not actually books.

Because you cannot persuade readers to buy any book in which sentences do not make sense. This shouldn't be “does.” If you don't see the problem, that is a big problem.

C) Persuade book reviewers on BookTok or Substack or someplace to recommend your book. If your book is unreadably terrible, this is probably impossible.

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Or