I build automations for agencies for a living. All of it on n8n, most of it self-hosted. Over a couple of years the same handful of workflows keep coming up, because they remove real hours of manual work every week instead of being clever demos that never run twice.
Source: [Dev.to](https://dev.to/ayushopchauhan/7-n8n-workflows-that-actually-pay-for-themselves-from-a-solo-automation-agency-an9)