Screaming crowds line the street, waving flags and cheering as the marching band thunders past. Confetti is everywhere — in your hair, stuck to your clothes, probably drifting into somebody’s drink. You are standing in the middle of it all holding your book while the words BESTSELLING AUTHOR appear in enormous gold letters somewhere above your head.
Naturally, this all happened overnight.
It is a very pleasant dream (my version even has some bagpipers in it).
And I suspect almost every indie author has some version of it tucked away somewhere: the moment the book suddenly takes off, readers start talking about it, sales climb, and all those months or years of writing, editing, formatting, publishing, and promoting finally turn into something recognisable as success.
The reality is usually rather less cinematic. Indie book marketing is becoming noisier, more crowded, and more complicated, and there is rarely one magical moment when everything changes. More often, books build slowly through reviews, recommendations, social media, podcasts, events, newsletters, ads, word of mouth, and a frankly unreasonable amount of persistence.
Still, the dream is allowed.
The more useful question for writers looking at how to become an Amazon bestseller is what that label actually means — because, as with quite a few things in publishing, the answer is not nearly as straightforward as the gold lettering would suggest.
“Bestseller” is one of publishing’s slipperiest words.
It sits confidently on book covers, websites, Amazon descriptions, and LinkedIn bios as though somewhere there is a stern little committee in spectacles examining the figures and finally announcing, Congratulations. You may now have the gold sticker.
There isn’t.
There is no universal number of copies that magically turns a book into a bestseller. A book does not sell copy number 5,000 and suddenly hear trumpets. Different bestseller lists measure different things, Amazon rankings behave differently again, and a book can sell extraordinarily well without ever appearing on a recognised national list.
So what actually makes a book a bestseller — and when is it reasonable to use the word without making other publishing people raise an eyebrow? When Can You Actually Call Your Book a Bestseller?
First, “bestseller” is a ranking, not a sales target
The most important thing to understand is that bestseller status is generally comparative.
You are not necessarily trying to reach a predetermined number. You are trying to sell more copies than the other books being measured alongside yours during a particular period.
That means the number required can change enormously.
A book released during a quiet publishing week may reach a chart with substantially fewer sales than one released alongside books by household-name authors. Genre matters. Format matters. Country matters. The list matters. Timing matters.
Publishers Weekly has pointed out that the publishing industry itself does not have one universally agreed definition of “bestseller”, partly because there are now so many different lists measuring books in different ways.
This is why somebody asking, “How many copies do I need to sell to become a bestseller?” is asking a perfectly reasonable question that has a deeply irritating publishing answer:
It depends.
How to Become an Amazon Bestseller in Your Category
Amazon makes things both easier and considerably more confusing.
A book can genuinely become a #1 Amazon Bestseller by reaching number one in one of its categories. Amazon explains that these rankings are relative to the activity of other books in that category, with recent activity carrying more weight than older activity. Rankings can therefore change even when your own sales remain steady because the books around you are selling more or less.
This is real. If your book reaches number one in Biographies of Business Professionals, for example, you are perfectly entitled to say it became a #1 Amazon bestseller in Biographies of Business Professionals.
The qualification matters.
There is a rather substantial difference between saying:
#1 Amazon Bestseller in [Category]
and simply saying:
International Bestselling Author
because your book briefly outranked fourteen others in Books About Left-Handed Goat Accountants Living in Dorset.
Amazon category rankings can be extremely useful. They create social proof, improve visibility, give authors something meaningful to share during a launch, and can indicate that a marketing campaign is actually moving books. Amazon itself advises authors to regard sales rank as a useful general indicator rather than an exact measure of sales.
The problem is not Amazon bestseller status. The problem is pretending it means something broader than it does.
A strong-selling indie book is not necessarily a “bestseller” — and that is okay
This is an important distinction, particularly for independent authors.
Suppose an unknown memoirist sells 250 books in her first month.
For a new indie author without a large publishing house, national media campaign, airport distribution, or enormous existing audience behind her, that is a very good launch. She has persuaded hundreds of actual human beings to hand over money for a book written by somebody they may never previously have heard of.
That is no small achievement.
But 250 sales on their own do not automatically make the book a bestseller.
And I think indie publishing occasionally does authors a disservice by making “bestseller” the only definition of success.
A book can be commercially successful without earning a bestseller label. It can sell consistently for years. It can generate speaking invitations, consulting clients, media opportunities, course sales, business leads, or an entirely new career. A memoir may reach comparatively modest numbers and still profoundly affect its readers.
Conversely, a book can briefly hit number one in a very narrow Amazon category during a coordinated launch and barely sell afterwards.
Major bestseller lists are a different animal
When people hear terms such as New York Times bestseller or national bestseller, they generally assume much broader commercial success.
Those lists look at sales across particular reporting systems, retailers, formats, periods, or combinations of those things. There still isn’t a guaranteed sales threshold because books are competing against whatever else happens to be selling that week.
But this is usually thousands of copies moving in a concentrated period, rather than a few hundred accumulated over several months.
Publishers Weekly’s own current bestseller charts, for example, use Circana BookScan data. Major lists carry weight partly because they indicate that significant numbers of readers were buying the book across a meaningful marketplace, rather than within one unusually small online category.
This is why the wording on traditionally published books tends to be specific: New York Times Bestseller, Sunday Times Bestseller, USA Today Bestseller, and so forth.
The name of the list tells you what the claim actually means.
Sales velocity matters more than many authors realise
Selling 5,000 books over five years is very different from selling 5,000 books in a week.
For bestseller ranking purposes, concentrated activity matters.
This is one reason publishers care so much about launch periods and why pre-orders, publicity, podcast appearances, newsletter promotions, events, influencer support, reader teams, and advertising are often coordinated around publication.
They are trying to create sales velocity.
A book selling 40 copies every month can be a healthy little long-term performer. A book suddenly selling 2,000 copies during launch week creates a very different ranking signal.
Neither is necessarily “better” in the bigger sense. They simply achieve different things.
And this leads to one of the stranger truths about publishing: a book’s launch and a book’s lifetime success are not the same measurement.
The books I find more interesting are the ones that keep selling
Launches are exciting. Screenshots of rankings are exciting. Watching your little orange Amazon line shoot upwards is dangerously addictive.
But after working with hundreds of books, I am far more interested in what happens in month two.
- Does somebody who bought the book recommend it?
- Are reviews appearing?
- Are readers quoting passages?
- Is the author being invited onto podcasts?
- Are book clubs picking it up?
- Are strangers discovering it without personally knowing the author’s cousin?
That is when a book begins developing something much more valuable than a launch spike: word of mouth.
Publisher’s Weekly has noted that booksellers themselves often regard reviews, media coverage, and word of mouth as more powerful long-term sales drivers than the bestseller label alone.
A genuine readership compounds.
One reader becomes two. A podcast produces twenty sales. Those readers produce reviews. Reviews reassure the next group of strangers. Somebody recommends the book to a book club. An article sends another wave of readers towards it.
That is how a book acquires legs.
When Can You Claim You Are an Amazon Bestselling Author?
My rule at Harvard Ink is simple: be precise enough that the reader would not feel misled if they knew exactly how the claim was earned.
If the book reached #1 in an Amazon category, say so.
If it appeared on a recognised national list, name the list.
If it has sold 10,000 copies, say that instead. Frankly, “More than 10,000 copies sold” can sometimes be more impressive than the wonderfully vague “bestselling author”.
And if your first book has sold 300 copies and every one of those readers represents somebody you had to reach without a famous name, huge platform, or corporate marketing department behind you?
Celebrate that too.
Publishing has developed a peculiar habit of treating anything below bestseller status as failure when, statistically, getting complete strangers to notice a book among millions of competing titles is already a fairly remarkable piece of work.
The better question
Instead of asking only:
How do I make my book a bestseller?
I would ask:
How do I make this book continue selling after everybody who already knows me has bought it?
That changes the marketing strategy completely.
Now we start thinking about discoverability, reader reviews, good metadata, strong positioning, media and podcast angles, book clubs, email lists, partnerships, group promos, speaking opportunities, seasonal campaigns, backlist sales, and the very old-fashioned mechanism that still sells an astonishing number of books: Someone finishes your book and says to another person, “You need to read this.”
Because a bestseller badge can help sell a book.
But ultimately, readers create bestsellers.
And the books with the longest lives are usually the ones that give readers a reason to keep talking about them long after launch week has finished.
Need help getting your book beyond launch week?
Harvard Ink works with independent and expert authors from manuscript development through editing, publishing, metadata, positioning, and book marketing. If your book is approaching publication — or has already launched and you are wondering what on earth you are supposed to do with it now — get in touch and we can help you build a practical next-stage strategy around the book you actually have, the audience you actually want, and goals that mean more than chasing a shiny orange badge.
Contact us for a no-strings, no-fees online chat around your book at https://calendly.com/harvardink-info/30min. We are always happy to help out our indie authors and support them in living the author dream (marching bands included).
For some free writers’ support tools for book marketing and more, visit us here Writer Support Tools — Harvard Ink
Thank you for reading Part 3 of our series – The Indie Author’s Publishing Survival Guide. To read our other posts on self-publishing for authors and writers, they’re right here:
Read Part II of the series here.
Read Part IV of the series here.
Originally published on LinkedIn August 24 2026. https://www.linkedin.com/pulse/indie-authors-publishing-survival-guide-so-when-can-you-actually-o73zf/
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