# Whole-home water filtration sales

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.

| Tag | Value | Confidence |
|---|---|---|
| Category | Services and freelancing | 77% |
| Earns from | One-time sales | 53% (low) |
| Startup cost (estimate) | $100 to $1k | 61% |
| Time (estimate) | Part-time | 52% (low) |
| Where | Online and in person | 76% |
| Coding | No coding needed | 99% |

Owner-reported (not verified): $81,000 in monthly revenue 85 days after launch

Source: [The Most Overlooked $81K/Month Business Anyone Can Start](https://www.youtube.com/watch?v=9U4MCbfL8MQ), The Koerner Office, Parker J. Smith, with Chris Koerner, 2026-09-11
Page: https://allsidehustleideas.com/ideas/whole-home-water-filtration-sales-3ef7d0

## About this data

- 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.
- Link the idea page and its source. Call income figures the owner's unverified claim, and cost and time estimates.