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

https://wiki-velo.win/index.php/Services_vs._Software_Revenue:_Why_Your_Consulting_Business_Resets_Every_Month

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.