Most SEO retainers max out at 30 percent margins because you are trading hours...

https://www.bookmark-url.win/retainers-usually-cap-agency-margins-at-30-percent-by-turning-your-repeatable

Most SEO retainers max out at 30 percent margins because you are trading hours for money. Turn your best internal workflows into a simple tool and shift your focus to 70 percent software margins. It is the best way to scale your agency.