Tips, guides, and insights for KDP publishers
Twenty KDP niches with real demand and low competition in 2026, each with its BSR range, difficulty level and realistic monthly revenue.
Exact Canva settings for KDP: 0.125 in bleed, PDF Print export in CMYK, 300 DPI, and the spine formula for white and cream paper.
What to do the hour your KDP account is suspended: never open a second one, identify the violation type, and write a formal Plan of Action.
What makes a shopper click a cover in under two seconds, why genre conventions beat originality, and the typography choices that convert.
Health and wellness sells year-round, but Amazon removes books that claim to treat or cure. Which sub-niches work and how to word them.
A free KDP ISBN locks you to Amazon and prints Independently Published. What a paid ISBN buys, what it costs, and when it is worth it.
What a proof copy shows that the online previewer cannot: gutter clearance, colour shift and spine alignment. Up to five per order.
Publisher Rocket costs $199 as a one-time payment in 2026, listed at $299. What it does, who it suits, and how fast it pays for itself.
The KDP tools worth paying for in 2026, grouped by the job they do: niche research, cover design, keyword optimisation and ad management.
6x9 fits most books, but not all. Trim size by genre, how it changes page count and printing cost, and why you cannot change it later.
Going from ten books to a hundred breaks every manual habit. The production line, the portfolio ad strategy and the pruning rule.
The most common KDP mistakes that cost sales, trigger rejections, and sometimes lead to account suspension — and exactly how to avoid each one.