The Produit Digital blog
Guides, tips and field notes to write, publish and sell your books with AI.
Ebook Covers: Sizes, Rules, and What Sells at Thumbnail
Your cover is judged at the size of a postage stamp, in about one second, beside forty competitors. Here are the pixel sizes each store expects, the parts of a cover that survive the shrink, and how to test yours before you publish.
Digital Product Ideas for Beginners: Start Small, Sell Real
Twenty first product ideas that a beginner can actually finish, sorted by what you already have. Plus the four question filter that kills bad ideas early and a one week test that costs nothing.
How to Sell a PDF Online: From File to First Sale
A PDF becomes a product the moment it keeps a promise a stranger can read in one line. Here is the full path: what to fix in the file, where to list it, how delivery and licensing work, and how the first sale actually arrives.
How Much Does It Cost to Print a Book? Numbers That Hold
Every printing quote is built from a setup charge, a per page charge and a per copy charge. Learn what moves each of the three and you can price your own book before a printer ever replies.
Printing a Single Copy of a Book: Yes, You Can
Four routes will print exactly one book for you, from an author proof to a hardcover gift. Here is which one fits your reason for wanting a single copy, and the file checks that decide whether it looks like a real book.
Personalized Books: Buy One or Make Your Own?
Shops ship a finished story with a name dropped in, while making your own gives you the real house, the real dog and the real memory. Here is what each route delivers, where a bought copy stops, and how to build one that keeps the same face on every page.
How to Sell Books on Amazon: KDP and Beyond
The complete route from a finished manuscript to a paid royalty, including the three ways a book can reach Amazon and the listing work that decides whether anyone finds it. With the first month planned out, week by week.
AI Book Writers: What They Do Well and Where They Fail
The five jobs a book demands, the two an AI genuinely handles, and the four ways long drafts break. With the working method that turns a generated draft into a book worth editing, and the rules Amazon and the US Copyright Office apply to it.
Print-on-Demand Books: How the Whole Chain Works
Nothing gets printed until a reader orders it, and that one fact changes every decision you make about a book. Here is the full chain, from your two files to the money that reaches your account.
Digital Products to Sell on Etsy: What Moves in 2026
Six categories carry most of the volume in Etsy's digital section, and the listings that hold their place are complete rather than clever. This guide maps what sells, how Etsy delivers a file, what a listing has to do, and where a shop outgrows the marketplace.
How to Write a Book: From First Idea to Final Page
The full path a finished book actually takes, in order: one promise, one outline, a drafting quota you can keep, then revision in separate passes. Every stage below ends with something you can point at, so you always know what tomorrow's work is.
How to Make a Book: Every Step From Idea to Finished Copy
The full chain of decisions that turns a folder of material into an object with a spine, a page count and a cover. Nine steps, in the order that saves you a reprint.
How to Publish a Book: Every Route Explained
The four routes a finished manuscript can take to readers, compared on who says yes, who pays and who decides. Plus the eight production steps that happen on every route, in the order that keeps a launch date from slipping.
How to Create an Ebook: The Full Path, Tool by Tool
Seven steps from a one-line promise to a file a store validates, with the job each tool really does and the trap sitting under it. Includes the export checklist that stops a book being rejected and the five mistakes that cost the most time.
How to Sell Digital Products: The Whole Machine
The offer, the file, the page, the checkout and the traffic, walked in the order a real sale travels through them. What each part does, and how to tell which one is stopping your product from selling.
How to Write a Book: The Complete Guide to Your First Manuscript
The four phases that take an idea to a finished manuscript, the pace that makes a long project sustainable, and revision in three passes. Plus the six blocks that make authors give up on a book, and the answer to each one.
How to Sell an Ebook: The Complete Guide, From Sales Page to First Payment
The three possible sales routes, what each one really costs you, and the full setup that runs from the sales page to the file delivered automatically. Plus the legal obligations and the mistakes that turn a sale into a refund.
How to Create an Ebook: The Complete Guide, From Topic to Sales-Ready File
The full chain, in the order it actually unfolds: topic, outline, manuscript, illustrations, cover, layout and export. With what makes each step fail, and the marker that tells you it is finished.