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

You cannot effectively promote books

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

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

Harvard doctor reveals 6 everyday foods that may cause cancer, and what to eat instead - The Economic Times

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.

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

A) that are not actually books.

Most-complete Stegosaur skull ever found forces rewrite of dinosaur history - Earth.com

Or

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.

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

How has Donald Trump turned the Taylor Swift endorsement into a win for him?

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.

C) that are unreadably terrible in any other way.

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.

Kharkiv hit by ‘most powerful attack’ of entire war, mayor says, as Russia pounds Ukraine again - CNN

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

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.

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

Besides the religion, what's the difference between Arabs and Jews, if they are the same people from the same part of the Middle East?

Or