Agency retainers often trap your margins at 30% because of the heavy labor...

https://high-wiki.win/index.php/How_to_Talk_to_Clients_About_Your_Internal_Tooling

Agency retainers often trap your margins at 30% because of the heavy labor load. If you turn your internal SEO workflows into a simple SaaS product, you can easily push those margins above 70%. Stop selling your time and start building assets.