2. Market Reality Check
Competitor prices, user counts and policy dates come from the 30 Sept 2026 research run. Confidence levels are in research/10. Anything marked "estimate" or "unverified" needs checking before it's used externally.
2.1 Which dashboard? Six platforms scored
The idea names seven dashboards. KDP and Merch share an owner, so six were scored. Each criterion is scored 1–5 (5 is best for you).
| Platform | Pain in the neglected workflow | Native gap | Terms-of-service safety for an extension | Competition (5 = open) | Price per customer | Reach (can you find buyers cheaply?) | Total /30 |
|---|---|---|---|---|---|---|---|
| Amazon KDP (backlist pricing and promos) | 4. Repricing 20–200 titles × 3 formats × up to 13 marketplaces by hand, twice per promo | 4. Help pages show one-title-at-a-time pricing and no scheduling | 3. KDP terms (27 Sept 2024) have no bot clause, but Amazon can terminate "if we have concerns" | 4. Uploaders and analytics exist; no bulk-pricing extension found | 3. ~$20/mo; authors already pay $17–249/mo for reporting | 4. Author groups, forums, YouTube, newsletters | 22 |
| Amazon Seller Central | 4 | 2. The SP-API powers hundreds of tools | 1. Agent Policy (4 Mar 2026): automation only through the SP-API; browser automation and scraping prohibited | 1. Helium 10, Jungle Scout and many more | 5 | 3 | 16 |
| eBay Seller Hub | 3 | 3 | 2. Not researched; eBay's user agreement is believed to bar robots and scrapers (unverified) | 2. Crosslisters (Vendoo, List Perfectly) are established (unverified) | 3 | 3 | 16 (unverified) |
| Meesho / Flipkart seller panels | 4. Returns, RTO, lost-order claims, settlement matching | 3 | 2. Not researched | 2. Meesho Seller Lens, Meesho Supplier Analytics, TrackEcom already live | 1. Extensions sell at ₹29/month | 3 | 15 |
| Amazon Merch on Demand | 3. Uploading hundreds of designs; weak sales view | 2 | 2. Upload tools pitch "safety from detection"; terminations are common for IP reasons | 1. 8+ live extensions, including free ones | 2. $9.99–14.99/mo in 2019 | 4. Merch Facebook groups | 14 |
| Etsy | 3 | 2. Some native bulk edit; the API supports full listing edits | 1. API terms bar browser extensions from accessing or scraping without written permission | 1. Vela, Evlista, Sale Samurai; EverBee has 200k extension users | 2 | 4 | 13 |
KDP wins with 22/30. It's the only dashboard where the gap is documented, the terms don't explicitly ban what you'd build, and no direct competitor turned up. The next best scores 16, and both of those have a terms-of-service problem.
2.2 Who exactly is the buyer?
"KDP authors" is not a buyer either. Most publish one or two books and never need bulk anything. Split by catalogue size:
| Segment | Rough size (loose estimate, unverified) | Titles | Willingness to pay | Pain score (1–10) | Verdict |
|---|---|---|---|---|---|
| One- or two-book authors | Very large | 1–5 | ~$0 | 2 | Avoid. Editing two books by hand takes ten minutes. |
| Low-content publishers (journals, puzzle books, colouring) | Large | 50–1,000+ | $10–30/mo, but low royalties per title | 6. Huge catalogues, price-floor problems after print-cost changes | Secondary. Big catalogues, thin margins, and heavily policed by Amazon. Don't build for their upload habit. |
| Prolific fiction authors (series, rapid release) | Tens of thousands (estimate) | 15–100 | $15–30/mo if it saves hours every promo | 7–8. Monthly promos, series price ladders, KU vs wide decisions | Best buyer. They run a business, promote monthly, and talk to each other. |
| Small presses and multi-pen-name publishers | Thousands (estimate) | 50–500 | $50–100/mo | 8. Several accounts, dozens of authors, repricing is a staff task | Best per-account value. The Press plan. |
| Traditional or hybrid publishers | Small | Varies | Enterprise tools | 3. They use distributors and ONIX feeds | Out of scope. |
Overall pain score for the recommended wedge: 7/10. It's hours of clicking with a real cost of mistakes (a book left at 35% royalty, a promo price left on for weeks). It's not 9/10, because the job is episodic unless you run promos.
2.3 Competitors and substitutes
Native KDP (the biggest threat)
| Native feature | What it covers | Why a customer would or wouldn't switch to you |
|---|---|---|
| Per-title pricing (Edit eBook Pricing; Edit rights & pricing for print) | Every price change | Switches at 20+ titles. It's the job you replace. |
| Kindle Countdown Deals | Timed discounts that revert | Only for KDP Select titles, and only in some marketplaces (US and UK; not re-verified). Wide authors and other marketplaces have nothing. |
| KDP Reports and dashboard | Sales, royalties, KENP | Won't switch for analytics. It has improved, and dedicated tools exist. Stay out of it. |
| A native bulk update | Would end the core product | Not found in the help pages. One search summary claimed one exists. Confirm in a real account before building. |
Tools and extensions
| Tool | What it does | Price | Overlap |
|---|---|---|---|
| Book Report | Sales reporting across up to 10 platforms | Free under $1k/mo earnings; $19–249/mo by earnings | None on pricing. Proves authors pay by business size. A possible partner. |
| Publisher Champ | Sales, royalties, ad spend and profit across 25+ platforms | $16.99–29.99/mo; claims 25,000 authors | None on pricing. The same buyer. |
| KDP Uploader (extension) | Fills KDP forms from a spreadsheet for new titles | In-app purchases; 2,000 users, 4.6 stars from 10 ratings, updated 15 Aug 2026 | Partial. It sets prices at upload, not across a live backlist. |
| KDP Wizard, Kindle Prime, Self Publishing Titans, Book Bolt | Low-content creation, upload automation, research | Various subscriptions | Upload and research, not backlist pricing. KDP Wizard's current features were not checked. |
| Publisher Rocket, KDSpy, BookBeam | Keyword, category and competitor research | One-off or subscription | None. A different job. |
| Draft2Digital, PublishDrive (aggregators) | Distribution to many stores; some promo tools | Take a share of royalties | Substitute for "wide" authors, but most KDP-first authors publish to Amazon directly. Their Amazon pricing features were not verified. |
| A virtual assistant | Does the clicking | $5–15/hour | The real substitute for small presses. Your price has to beat 2–4 VA hours a month. |
2.4 Vitamin or painkiller?
A mild painkiller, twice a year for most, monthly for promoters.
- Painkiller moments: a royalty-band change (July 2026), a print-cost change (June 2025), a series launch that needs the whole ladder repriced, a promo across 10 titles and 6 marketplaces. Each costs hours and risks a costly mistake.
- Vitamin the rest of the time: if you only reprice after Amazon changes the rules, you don't need a monthly subscription.
- Test: if the extension vanished tomorrow, what would the author lose? A promoter loses their monthly promo workflow and the auto-revert. A one-time repricer loses nothing until the next change. Sell to promoters.
2.5 Market size: venture-scale, lifestyle, or a feature?
Bottom-up (every input is an estimate):
- KDP publishers with 20+ titles who already pay for tools: ~20,000–60,000 worldwide (loose estimate; Publisher Champ's "25,000 authors" is the only nearby anchor).
- Realistic spend on this job: ~$150–300 a year.
- SAM ≈ $3–18M a year. Capturing 2–5% gives $60k–900k ARR, or $5k–75k MRR at the extremes. The middle of that range is a good one-person business.
Answer: a feature that Amazon could ship, sold as a lifestyle business until it does. That's not an insult. Merch Wizard was the same, and it sold. Price and run it as a sellable asset, not a company.
2.6 Geography
- Sell worldwide in USD. KDP authors are concentrated in the US, UK, Canada, Australia and Germany. The product is language-light (a dashboard overlay), so English is enough to start.
- KDP runs up to 13 marketplaces with separate prices and currencies (count not re-verified). Multi-marketplace pricing is part of the pain, and a feature.
- India: there's no special angle for this wedge. Meesho and Flipkart were scored in 2.1 and lost on price per customer.