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

https://star-wiki.win/index.php/My_agency_is_stuck_on_hours_billed:_How_to_break_the_utilization_trap

SEO retainers usually trap you at 30 percent margins because you’re trading time for money. Try treating your agency like a lab instead. When you build your own tools, you can easily shift toward the 70 percent margins software businesses enjoy.