You’re trapped in a retainer model that rarely pushes margins past 30 percent....

https://www.nav-bookmarks.win/if-you-re-stuck-at-30-margins-on-client-retainers-you-re-working-too-hard-for

You’re trapped in a retainer model that rarely pushes margins past 30 percent. Treat your agency like a lab instead. Build tools to solve your own workflow headaches and turn them into software products that reliably hit 70 percent plus margins.