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Permafree & Promo Strategy: Free Days That Actually Sell

Royalty statements and a brass scale under warm bronze lamplight on dark wood β€” royalties and pricing guide

Free is the most powerful discovery tool in indie publishing and the easiest to waste. A free day on Amazon can pull tens of thousands of downloads β€” but downloads alone earn nothing; the value arrives only when those readers flow into paid sequels, newsletter sign-ups and reviews. That flow is engineered, not accidental: the free book must be a series opener or funnel title, the follow-through books must be priced to earn, and the promotion must be timed around KDP Select's free-day allowance and promo-site features. This guide covers the three main plays β€” free days, permafree openers and countdown deals β€” and the honest maths of when each one pays.

⚑ Free instant check

Free is the oldest trick in book marketing β€” and the easiest to get wrong. A guide to making free promotions, permafree first-in-series books and countdown deals actually feed paid sales.

Answer 0-10 (10 = the stronger end for every question β€” no wrong answers). Your answers stay on this device β€” nothing is stored.

Outside the band β€” 5 β€” Inside the band
Not really β€” 5 β€” To the cent
No idea β€” 5 β€” Fully mapped
None yet β€” 5 β€” Written plan

Why it matters

  • Free promotions work as loss leaders for SERIES: a free book one in a trilogy routinely pulls readers into paid books two and three, which is where the money is.
  • Amazon lets you run up to five free-book promo days per 90-day enrolment while the book is in KDP Select (exclusive to Kindle) β€” the same programme that unlocks page-read royalties.
  • Permafree (permanently free) only works legally via price-matching or on platforms that allow it; it is a long-term discovery play, not a spike tactic.
  • A free day's real value is downloads PLUS reviews: thousands of downloads typically yield a small but real trickle of new reviews and mailing-list sign-ups.
  • Promo sites (BookBub, Freebooksy, etc.) charge for featuring your free book; results vary wildly, so track downloads per dollar spent.

Your checklist

  • Only go free with book one of a series (or a standalone with a strong call-to-action to your list) β€” never your only book.
  • Enrol the free title in KDP Select and schedule your 5 free days around a new release or a promo-site feature.
  • Build the funnel first: the free book must point readers to book two and to your email list before the promo runs.
  • Run a free promo for 3-5 days, not one β€” download momentum builds over the first two days.
  • Track downloads, follow-through sales and list sign-ups per promo; kill what does not pay for itself.
  • Keep the paid books in the same series priced inside the 70% band so follow-through sales earn properly.

❓ Permafree & Promo Strategy: Free Days That Sell β€” FAQ

How many free days does KDP Select give me?

Five free-book promotion days per 90-day KDP Select enrolment, plus the option of countdown deals. The exclusivity requirement (ebook available only on Amazon while enrolled) is the trade-off for the promotional tools and Kindle Unlimited page-read earnings.

What is a permafree book?

A book kept permanently at $0.00, usually the first in a series, to pull in readers who then buy the paid sequels. On Amazon it is typically done by pricing free elsewhere and having Amazon price-match, since KDP itself will not let you set $0.00.

Do free downloads actually lead to sales?

Yes, when the funnel is built first: the free book must end with a call to action toward book two and your email list. Realistic results are a modest conversion of thousands of downloads into paid sales and reviews β€” not a windfall, but a genuine discovery engine.

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