How to Get More Kindle Unlimited Page Reads: 4 Levers Stack to +74% on One Series
How to get more Kindle Unlimited page reads: fix Book 1 to 2 read-through, add Book 6, write full-length books, then buy readers. Stacked: +74% page reads.
Self-Publishing
How Many KDP Books to Make Money? At 25+ Books, the Median Is $3,000/Month
How many KDP books to make money? Survey data says about 25: authors with 25+ books earn a median $3,000/month. Napkin math, a Python calculator and charts.
Best AI for Writing Romance Novels: A 5-Book KU Series Pays Back at 33 Readers
Best AI for writing romance novels? Pick the one that remembers Book One. 2026 KU math: a 5-book series pays back its drafting cost at 33 readers.
How Many Poems Should Be in a Chapbook? 20 to 30 (25-30 Pages Fits 11 of 13 Contests)
How many poems should be in a chapbook? I checked 13 contest rules: 25-30 pages of poems fits 11 of them. That’s 20 to 30 poems, depending on poem length.
How to Create a Cookbook for Fundraising: 150 Recipes, 200 Copies, Break Even at Copy 55
How to create a cookbook for fundraising: 50 cooks x 3 recipes, 200 copies for $650 at Morris Press, $12 each. Copy 55 pays the printer; a sell-out nets $1,750.
How Many Words per Chapter in a Cozy Mystery? 2,200 (I Counted 283 Agatha Christie Chapters)
How many words per chapter in a cozy mystery? About 2,200: Christie’s 283 chapters have a median of 2,208. Plan 28-32 chapters for a 60-70k cozy.
How Long Should a Daily Devotional Be? 150 to 300 Words (Spurgeon Averaged 341)
How long should a daily devotional be? Editors want 150-300 words; Spurgeon averaged 341. Past 233 words, a 365-day book doubles to 730 pages.
How to Write My Life Story for My Grandchildren: 385 Words a Week, $34 to Print 5 Hardcovers
How to write my life story for my grandchildren: aim for 20,000 words, talk instead of type, and print five KDP hardcovers for $34. Python math inside.
Can a DM Sell an AI-Drafted D&D Adventure? DMs Guild Says No; itch.io Nets $6.62 on a $7.95 Copy
DMs Guild and DriveThruRPG reject text from AI language generators. A short Python model shows what a game master keeps per copy elsewhere: $6.62 on itch.io, $5.46 on Kindle, $3.98 on DMsGuild at $7.95.
What a 50,000-Word AI Novel Draft Costs on the OpenAI and Claude APIs: $0.04 to $17
A small Python cost model prices a 50,000-word first draft on seven OpenAI and Claude models: from $0.04 to $16.71. About 73% of a naive bill is resending earlier chapters, and prompt caching removes most of it.
Build a KDP Royalty Calculator in Python: One Cent Past $12.99 Costs You 49%
KDP’s royalty rules fit in about 30 lines of Python. Run them and three pricing cliffs appear: $12.99 vs $13.00 on ebooks, $9.98 vs $9.99 on paperbacks, and file size at $2.99.