Service retainers usually cap your margins at 30 percent. Stop just selling...

https://www.paste-bookmarks.win/stop-capping-your-agency-margins-at-30-percent-through-service-retainers-start

Service retainers usually cap your margins at 30 percent. Stop just selling labor and treat your agency like a lab to build your own internal tools. That shift lets you build software products that hit 70 percent margins and beyond.