{"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":"3d-printed-replacement-part-for-coffee-grinders-0b4dbf","title":"3D-printed replacement part for coffee grinders","summary":"Designed a printed upgrade for a worn part in a popular coffee grinder and sells it through a print-on-demand marketplace. Traffic comes from a repair guide on a fix-it site.","url":"https://allsidehustleideas.com/ideas/3d-printed-replacement-part-for-coffee-grinders-0b4dbf","markdown_url":"https://allsidehustleideas.com/ideas/3d-printed-replacement-part-for-coffee-grinders-0b4dbf.md","tags":{"category":{"value":"physical-products","label":"Physical products","confidence":0.9},"earns_from":{"value":"one-time","label":"One-time sales","confidence":0.91},"startup_cost_estimate":{"value":"under-100","label":"Under $100","confidence":0.42},"time_estimate":{"value":"hands-off","label":"Hands-off","confidence":0.76},"where":{"value":"online","label":"Online","confidence":0.95},"needs_coding":{"value":false,"confidence":0.93}},"owner_reported":null,"source":{"publication":"Hacker News","title":"Ask HN: What was your best passive income in 2016?","url":"https://news.ycombinator.com/item?id=13151774","person":"gottebp","host":null,"date":"2016-12-11"},"owner_site":"https://www.shapeways.com/product/NASLAGCCP/breville-bcg800xl-coffee-grinder-impeller-upgrade"}}