Most SEO agencies are stuck at 30% margins because they only sell billable...

https://canvas.instructure.com/eportfolios/4299058/home/what-does-hyper-targeted-mean-and-how-do-i-do-it-responsibly

Most SEO agencies are stuck at 30% margins because they only sell billable hours. Start treating your agency as a lab to build your own software. Once you transition to product margins, you’ll easily hit 70% and stop trading time for revenue.