Traditional SEO retainers cap your agency margins at 30% because you're selling...

https://front-wiki.win/index.php/What_Should_an_SEO_Agency_Automate_First_to_Save_Real_Hours

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.