Best AI for Writing Fantasy Novels: A 120k-Word Epic Earns 2.4× a Novella per KU Read
Best AI for writing fantasy novels: a full KU read of a 120k-word fantasy pays $3.39, 2.4x a novella. Pick a tool that keeps 120k words consistent.
Is Expanded Distribution on KDP Worth It? One Amazon Sale Equals ~3 Expanded Copies at $14.99
Is Expanded Distribution on KDP worth it? At $14.99 keep $2.12 vs $5.11 on Amazon (~3 ED copies); at $9.99 ED pays $0.12.
How Much Does It Cost to Self Publish a Book on KDP? $0 to Upload, $1,920–$8,930 to Do It Pro
How much does it cost to self publish a book on KDP? $0 to Amazon, $1,920–$8,930 for editing and covers, and 557–2,589 sales to break even.
Kindle Unlimited All Star Bonus: Stuck at $3.4 Million Since 2024 While the Fund Grew 19%
Kindle Unlimited All Star bonus, explained: $3.4M a month since 2024, just 4.9% of KU pay. Who gets it, when it pays, and what it’s worth in page reads.
Missing the Best Days in the Market: Skip SPY’s 10 Best Days Since 1993 and $313,613 Becomes $136,082 (Python)
Missing the best days in the market, tested: skip SPY’s 10 best days since 1993 and $10k ends at $136,082, not $313,613 (−57%). Charts + Python.
Read-Through Rate: 64% of the Readers a Series Loses Quit Before Book 2
Read-through rate benchmarks: 50–60% paid, ~86% in KU. 64% of lost series readers quit before Book 2, so a Book 1 fix pays 76% of writing Book 6.
Kindle Sales Rank Calculator: #10,000 Means 13–25 Sales a Day, #100,000 About 1–2
Kindle sales rank calculator: #10,000 is 13–25 sales a day, #100,000 is 1–2. What each rank pays at $4.99, romance shelf thresholds, portfolio math.
Amazon Book Description Generator: KDP Says 150 Words, Bestselling Romance Blurbs Average 257
Amazon book description generator tips: KDP says 150 words, but bestselling romance blurbs average 257 and 63% use third person. Data + napkin math.
Dividend Reinvestment Calculator: $10,000 in SPY Became $83,195 With DRIP vs $59,123 Without (Python)
Dividend reinvestment calculator on real data: $10k in SPY became $83,195 with DRIP vs $59,123 as cash since 2000. VYM, SCHD, QQQ, taxes, Python.
Self Publishing Romance Novels on Amazon: Indie Top 100 Share Fell 71% → 44%, and Romance Still Pays Best
Self publishing romance novels on Amazon: indies fell from 71% to 44% of the Kindle romance Top 100 in 2025, yet romance still pays indies best. The data.
KENP Rate 2026: Every Month So Far, and Why September’s $0.005365 Was a 10-Year High
KENP rate 2026: every month so far, from $0.004202 in January to a 10-year-high $0.005365 in September, plus what a full KU read pays.
Permafree Book: 86% of Free Readers Never Buy Book 2, and It Still Pays ($1.49 a Download)
Permafree book math: 86% of free readers never buy Book 2, yet a free download is worth $1.49 on a 5-book series. Plus how to get Amazon to price-match $0.