{"about":{"summary":"A directory of side businesses that real people say they run, each summarized in our words and linked to its public source.","notes":["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."],"how_to_cite":"Link the idea page and its source. Call income figures the owner's unverified claim, and cost and time estimates."},"idea":{"slug":"programming-reference-book-for-a-publisher-fe203f","title":"Programming reference book for a publisher","summary":"Wrote a regular expressions pocket reference for a technical publisher, earning ongoing royalties.","url":"https://allsidehustleideas.com/ideas/programming-reference-book-for-a-publisher-fe203f","markdown_url":"https://allsidehustleideas.com/ideas/programming-reference-book-for-a-publisher-fe203f.md","tags":{"category":{"value":"physical-products","label":"Physical products","confidence":0.53},"earns_from":{"value":"subscription","label":"Subscriptions","confidence":0.5},"startup_cost_estimate":{"value":"under-100","label":"Under $100","confidence":0.45},"time_estimate":{"value":"hands-off","label":"Hands-off","confidence":0.94},"where":{"value":"online","label":"Online","confidence":0.95},"needs_coding":{"value":false,"confidence":0.81}},"owner_reported":null,"source":{"publication":"Hacker News","title":"Ask HN: What is your passive income 2019?","url":"https://news.ycombinator.com/item?id=21390735","person":"tonystubblebine","host":null,"date":"2019-10-29"},"owner_site":null}}