This is how Hakeem and I mow 20 lawns from 8AM to 1PM. If needed, either one of us can mow solo for the day. Route density, easy commercial equipment, and proper technique all help. Look at the little Stihl backpack blower with the Gorilla tape holding the air filter together :D
Did you miss our previous article...
https://lawnmaintenancetips.com/beginners-lawn-tips/the-complete-guide-on-how-get-a-thicker-lawn-for-beginners