I went thru a spell about 18 months ago for about 6 months where I very nearly jacked it all in and went as far as going for interviews for Sales Managers jobs back in the motor trade.
One interview was for Hyundai dealer where they took great delight in telling me they (2 owners and the dealership general manger) nearly didn't call me for an interview as they thought I was a joke becoming a window cleaner

at end of interview they apologised for early comments and said I was going to be called back for a second interview ... didn't get job as blew second interview when basically told them that their general manger was a c0ck and knew nowt about running a garage.
Another interview was for a large busy Ford garage for new and used sales manger with a basic of £20K and bonus of £15K which was ok for a job back into trade I had left 4 years earlier then told me I would also be doing the Finance Managers job as well ... cue visions of 70 hours weeks ... no weekends off .. massive targets .. crap wages .... etc etc - stood up and left interview after telling them they were expecting too much for too little pay.
What im trying to say is whilst this job is crap sometimes due to weather / poor customers / non payers / getting scammed on one offs / monotony / lots of other things ...... there is other far worse things you could be doing.
My outlook is simple .... change the things you can and don't let the thing you cant change effect you or your head.for example : decide if you gonna work in rain or not and just make that decision and do it - buy the gortex and work or stay at home and watch telly ... your choice
poor customers - bin them NOW ,,,, you could even go canvassing in the rain if you have decided you don't want to work in the rain.
non payers ... simples collect your money AND NEVER EVER CLEAN THEM AGAIN !!!! easy peasy yet some on here clean 2 or even 3 times

why WTF reason would you do this ?? stop it now and go find some proper customers
one off scammers ... charge more on all first cleans
monotony - take a few days off - some may say they cant afford to ... I would say you cant afford not too when you need a break.
all of the above is just my opinion and some people may not agree but you know what I cant control that so Im not going to worry about that .... like not worrying about the weather
