With that nonsense I can calculate what you make per year. 1$ a minute, what a joke. Solo guys may use that and think its good money for just starting out. Well its not. Here's why. With tight routes you can get 4-5 lawns done per hour @ $40+ per lawn= 160 on the low end per hour gross. 2 man crew.
Everyday you wake up you have been given 24 hours. What you do with those hours determines how rich you will become. The rich work the hours you don't see.
Great Book: "Think and Grow Rich"