{"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":"whole-home-water-filtration-sales-3ef7d0","title":"Whole-home water filtration sales","summary":"Selling whole-home water filtration systems to homeowners through Facebook ads that show the price upfront, with licensed plumbers doing the installs. The channel notes that this model can require a plumbing license, for example in North Carolina.","url":"https://allsidehustleideas.com/ideas/whole-home-water-filtration-sales-3ef7d0","markdown_url":"https://allsidehustleideas.com/ideas/whole-home-water-filtration-sales-3ef7d0.md","tags":{"category":{"value":"services","label":"Services and freelancing","confidence":0.77},"earns_from":{"value":"one-time","label":"One-time sales","confidence":0.53},"startup_cost_estimate":{"value":"100-1k","label":"$100 to $1k","confidence":0.61},"time_estimate":{"value":"part-time","label":"Part-time","confidence":0.52},"where":{"value":"both","label":"Online and in person","confidence":0.76},"needs_coding":{"value":false,"confidence":0.99}},"owner_reported":{"text":"Self-reported by Parker J. Smith: $81,000 in monthly revenue 85 days after launch","verified":false},"source":{"publication":"The Koerner Office","title":"The Most Overlooked $81K/Month Business Anyone Can Start","url":"https://www.youtube.com/watch?v=9U4MCbfL8MQ","person":"Parker J. Smith","host":"Chris Koerner","date":"2026-09-11"},"owner_site":null}}