# Self-published programming book on Leanpub

Writes and sells a technical book about the Redux library through Leanpub, sharing the sales with a friend.

| Tag | Value | Confidence |
|---|---|---|
| Category | Digital products | 92% |
| Earns from | One-time sales | 96% |
| Startup cost (estimate) | Under $100 | 89% |
| Time (estimate) | Hands-off | 68% |
| Where | Online | 99% |
| Coding | No coding needed | 81% |

Source: [Ask HN: What was your best passive income in 2016?](https://news.ycombinator.com/item?id=13150174), Hacker News, Murkin, 2016-12-11
Page: https://allsidehustleideas.com/ideas/self-published-programming-book-on-leanpub-c96527

## About this data

- Sources are public, first-person accounts: interviews, podcasts and community threads.
- Cost, time and the other tags are machine estimates, each with a confidence score.
- Income figures are the owner's own claim. We don't verify them.
- Link the idea page and its source. Call income figures the owner's unverified claim, and cost and time estimates.