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

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

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

When should I use the best sunscreen for oily skin?

Or

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

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

Michaels buys Joann brand, plans to expand crafting supply to meet demand - ABC News

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

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.

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.

Does the pro-choice movement realise that all the money used to subside abortions can be used to subsidize daycare and other financial support for single mothers with unplanned pregnancies?

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.

Or

C) that are unreadably terrible in any other way.

With 2026 World Cup a year away, the USMNT is directionless - Yahoo Sports

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

You cannot effectively promote books

A) that are not actually books.

Sonic Adventure director says don’t expect remakes or remasters anytime soon - Video Games Chronicle

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.