{"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":"royalties-from-programming-books-0c04bf","title":"Royalties from programming books","summary":"Earns ongoing royalties from programming books written years ago, with little active work now.","url":"https://allsidehustleideas.com/ideas/royalties-from-programming-books-0c04bf","markdown_url":"https://allsidehustleideas.com/ideas/royalties-from-programming-books-0c04bf.md","tags":{"category":{"value":"software","label":"Software and apps","confidence":0.52},"earns_from":{"value":"one-time","label":"One-time sales","confidence":0.57},"startup_cost_estimate":{"value":"1k-10k","label":"$1k to $10k","confidence":0.4},"time_estimate":{"value":"hands-off","label":"Hands-off","confidence":0.95},"where":{"value":"online","label":"Online","confidence":0.97},"needs_coding":{"value":false,"confidence":0.51}},"owner_reported":null,"source":{"publication":"Hacker News","title":"Ask HN: What are your passive income sources?","url":"https://news.ycombinator.com/item?id=12799920","person":"jefflinwood","host":null,"date":"2016-10-26"},"owner_site":null}}