Stop capping your agency margins at 30 percent through service retainers. Start...

https://blogfreely.net/murciajpvo/do-you-need-venture-capital-to-build-an-seo-tool-if-you-already-have-retainers

Stop capping your agency margins at 30 percent through service retainers. Start treating your business like a lab by turning your internal workflows into a tool. SaaS models hit 70 percent margins and finally let you scale without trading hours.