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

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

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

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.

Israel says it struck Tehran's Evin prison and Fordo access routes - BBC

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) 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.

I Had an Orgasm in the Most Embarrassing Place Possible. Now I’m Confused—and Curious. - Slate Magazine

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.

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