Traditional SEO retainers cap your agency margins at 30% because you're selling...
https://extra-wiki.win/index.php/The_Reality_of_Agency-to-SaaS_Transitions:_Moving_Beyond_Service_Ceilings
Traditional SEO retainers cap your agency margins at 30% because you're selling labor. If you turn your internal scripts into repeatable software, you can push those margins past 70%. Treat your agency like a lab to build products, not just hours.