The KDP niche research blog
Field notes on KDP niche research: real numbers, honest verdicts, no hype.
- Niches
Q4 KDP niches and timing: what to publish before October
Why the fourth quarter decides most KDP publishers' year, which book formats actually spike, the dated-product play for 2027, and the honest deadlines.
- Comparison
KDPie vs Helium 10 for KDP (2026): don't buy the wrong category
Helium 10 is an FBA suite authors keep buying by mistake. What it offers for books after the 2026 plan changes, and what a KDP-native tool does differently.
- Basics
Is Amazon KDP worth it in 2026? An honest answer
What publishing on KDP actually costs, what a sale actually pays, what changed by 2026, and who the platform still rewards — with zero income screenshots.
- Basics
What is a low-content book? Definition, rules, 2026 reality
Amazon's official definition of low-content books, the platform rules that surprise people (ISBN, Look Inside), the economics, and what still works.
- Comparison
Best KDP tools in 2026, by the job they actually do
A working toolchain for Amazon KDP publishers: research, cover and interior design, formatting, and the free utilities — with honest prices and no affiliate links.
- Comparison
Book Bolt review (2026): great design suite, weak research tool
What Book Bolt actually does well at $9.99–19.99/month, where the research modules fall short, and who should buy it — an honest review with current pricing.
- Comparison
KDPie vs BookBeam (2026): live scans against a stored database
An honest head-to-head from the KDPie side: where BookBeam genuinely wins, where KDPie does, and how to decide between a database tool and a verdict tool.
- Comparison
KDPie vs KDSPY (2026): binoculars or a research department
A fair comparison from the KDPie side: what a $69 one-time browser extension really covers, what it structurally cannot, and when each tool is the right buy.
- Niches
Profitable KDP niches in 2026: 16 real, measured examples
Not a recycled idea list: 16 KDP niches with measured Amazon demand, real competitor counts and a committed verdict each — re-scored before publishing.
- How-to
Amazon Best Sellers Rank for books: what counts as good
What BSR actually measures, how to read it for books, realistic rank-to-sales numbers for Amazon.com, and why non-US BSR charts are made up.
- How-to
KDP keyword research: titles, subtitles and the 7 backend slots
How Amazon indexes your book, what belongs in the 7 backend keyword slots, which words get listings suppressed, and how to validate demand first.
- Comparison
Best Publisher Rocket alternatives in 2026 (paid and free)
Six real alternatives to Publisher Rocket compared on price, data model and what they actually decide for you — including the free way to do KDP research.
- Comparison
Publisher Rocket review (2026): what $199 actually buys
An honest, research-based look at Publisher Rocket: price, the four modules, where its numbers come from, where it falls short, and who should buy it.