William Butterton's case study proves the most automated income streams aren't always digital. His ATM placement business generates consistent monthly revenue with minimal hands-on work—a contrarian play worth studying.

Ranked breakdown of top earners in 2026 shows AI Automation Agencies leading at $5K–$50K/month. This data-driven guide cuts through hype and shows which models actually scale for technical makers.

Selling vetted AI prompts is 100% passive once listed. Perfect for developers who enjoy problem-solving and language logic—essentially building intellectual property that sells while you sleep.

Non-technical teams now orchestrate production-grade workflows using Zapier, monday.com, and Airtable. For makers, this opens opportunities to build and sell automation services without custom code.