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.

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.

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.

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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.

Or

Do Marines really not need sleep during combat training or in general? If this is true, how and why is this possible?

A) that are not actually books.

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

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

Why do trans people get so deeply offended when a stranger misgenders them, especially when it's a first encounter? I've been socially transitioned for 4 years and it just feels like a waste of energy to be so hurt by it.

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.

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

My wife has a bunch of really attractive friends, and she expects me to never say anything to her about how beautiful they are. Does this seem fair? I love my wife, and just commenting shouldn’t hurt anything, right?

C) that are unreadably terrible in any other way.

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

You cannot effectively promote books

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