SEO retainers usually cap your margins at 30% because you’re just selling...

https://www.cast-bookmarks.win/seo-retainers-usually-trap-your-margins-at-30-by-turning-your-repeatable

SEO retainers usually cap your margins at 30% because you’re just selling hours. If you start treating your agency like a lab to build your own internal tools, you can flip that model and get your margins north of 70%.