Agencies usually hit a ceiling at 30% margins because of all the manual labor....

https://tiny-wiki.win/index.php/How_Do_I_Know_If_an_Internal_Script_Should_Become_a_Real_Product%3F

Agencies usually hit a ceiling at 30% margins because of all the manual labor. By treating your agency as a lab, you can turn those workflows into simple software and push margins past 70%. It is time to stop selling hours and start building assets.