{"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":"music-notation-training-web-app-980962","title":"Music notation training web app","summary":"Built a site for practicing reading music notation while learning piano. It earns on its own without promotion.","url":"https://allsidehustleideas.com/ideas/music-notation-training-web-app-980962","markdown_url":"https://allsidehustleideas.com/ideas/music-notation-training-web-app-980962.md","tags":{"category":{"value":"software","label":"Software and apps","confidence":0.75},"earns_from":{"value":"ads","label":"Ads","confidence":0.92},"startup_cost_estimate":{"value":"100-1k","label":"$100 to $1k","confidence":0.39},"time_estimate":{"value":"hands-off","label":"Hands-off","confidence":0.95},"where":{"value":"online","label":"Online","confidence":0.99},"needs_coding":{"value":true,"confidence":0.96}},"owner_reported":null,"source":{"publication":"Hacker News","title":"Your best passive income? (2014)","url":"https://news.ycombinator.com/item?id=7094679","person":"dejv","host":null,"date":"2014-01-21"},"owner_site":"http://notationtraining.com"}}