yes, you are right! but it still can be controled,
its just up to people weather they want to run a little piggy bank of customers or have a full-time business.
yes it would need more people working for you, but money and real freedom doesent come cheap! you have to work for it. What i have noticed is that most people are happy with this industry because its easy because people can control there customers, time, and money.
SOME people have things called comfort barrers. you have to break these to get reall success. COME on guys, do you want to make small money or do you want to e the one to make the window cleaning industry a name so everyone can get more business!!!