Mmm, effort in work is of course important, but no end of people work incredibly hard in whatever job they have.
I know of one window cleaner who works in and a bout a town called Lydney (for those of you local to the area) and he works 7 days a week, does loads of shops on a Sunday morning (any of you work local to Lydney you should be able to work out who I mean...talks a lot!!!) I guess he may well earn more than I do, but having seen some of his prices, even though he probably works 30% more hours than I do, I doubt it somehow.
The idea is to work smarter, not harder...er...except of course to do so you have to work hard at it!
If you have the wherewithal you will do well, the sky's the limit, but you need man management skills, sharp business acumen and the ability to delegate.
I know of another window cleaner (used to work for me, name of Ollie) and he will slave away in all weathers (well, he would if him and his partner worked in the rain!) He's like a metronome, he just keeps going and going and he is good at his job too, but for all his hard work he will never really get anywhere, which isn't meant as an insult to him, many of us are similar.
On the other forum there was a chap (bristol area) who hadn't been window cleaning that long - I think he was in marketing in some way prior to window cleaning - No idea how he is doing now but I have a feeling he will be doing very well indeed, he'd only been going a few months and he was already employing staff....
For myself?
I'm a 5 day week man, after winding my business down to about 2 and a half days just prior to going WFP, I am now worrying about being able to get around my round on time.
I'm kind of content where I am, I'm almost tempted to push and grow further...almost, but not quite!
Ian