Client retainers usually cap your margins at 30 percent. Instead of just...

https://dibz.me/blog/why-a-handful-of-european-seo-agencies-stopped-being-agencies-and-1138

Client retainers usually cap your margins at 30 percent. Instead of just selling hours, build the tools your team needs to get the job done faster. Turn those internal scripts into your own software to push your margins well past 70 percent.