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

Or

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.

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.

GLP-1 drug helped type 1 diabetes patients keep healthy glucose levels and lose weight - STAT

Or

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

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.

Do you think cheating is that bad?

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.

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

You cannot effectively promote books

Why cant school buses ditch kids who are late to the bus at the school? Like on the way home, if a kid is late when all the others arrived to the bus on time, why cant they leave the late kid behind since its not fair to the on time kids to wait?

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

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.

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

The "F1" Reviews Are In - Dark Horizons

A) that are not actually books.

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

C) that are unreadably terrible in any other way.

Massive iron reserve worth trillions discovered could reshape the global economy - Glass Almanac

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