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

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

You cannot effectively promote books

Or

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A) that are not actually books.

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

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.

There's no way Republican Trump won all seven swing states. How was he able to cheat and steal the election?

Or

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

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.

Why did Microsoft acquire LinkedIn?

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

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.

C) that are unreadably terrible in any other way.

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

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.

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

Were there any friendly fire incidents involving American submarines, aircraft carriers, or battleships during World War II or World War I?

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.