Most SEO agencies are stuck in a service trap that keeps margins around 30...

https://wiki-dale.win/index.php/From_Billables_to_Bits:_Licensing_Your_Agency%E2%80%99s_Internal_Tooling

Most SEO agencies are stuck in a service trap that keeps margins around 30 percent. If you turn your internal workflows into a simple tool, you can hit software margins of 70 percent or more. Stop selling your hours and start building an asset.