SEO retainers will always trap you at 30 percent margins because you’re trading...

https://iris-wiki.win/index.php/Quality_Assurance_Checks_Keep_Piling_Up:_What_Should_Be_Automated

SEO retainers will always trap you at 30 percent margins because you’re trading time for money. If you turn your repeatable workflows into a simple internal tool, you can break that ceiling and start hitting 70 percent margins like a software company.