# Blog articles turned into a sold book

Wrote helpful articles, collected them into a book sold on Gumroad, and also builds a monitoring SaaS on the side.

| Tag | Value | Confidence |
|---|---|---|
| Category | Digital products | 65% |
| Earns from | One-time sales | 82% |
| Startup cost (estimate) | Under $100 | 54% (low) |
| Time (estimate) | Part-time | 40% (low) |
| Where | Online | 98% |
| Coding | Needs coding | 57% (low) |

Source: [Ask HN: Software developers, what is your side income?](https://news.ycombinator.com/item?id=26670528), Hacker News, rozenmd, 2021-04-02
Page: https://allsidehustleideas.com/ideas/blog-articles-turned-into-a-sold-book-2df4ad

## 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.