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

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

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

Gut Microbiota Transplants May Cause Long-Term Imbalance - Neuroscience News

A) that are not actually books.

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

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

Republican Trump is a billionaire, president, won't be held accountable for multiple felonies, and pretty much has whatever he wants. So why is he always whining and crying about stupid, pointless stuff? Is he incapable of happiness?

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.

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.

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.

Which are the latest interior design trends?

Or

Or

You cannot effectively promote books

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

C) that are unreadably terrible in any other way.

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.

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

How do people break a narcissist man's ego?

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.