for 2 years i cleaned a shop in/out,had to wait for the guy to move lots of tins of paint from the window display,then he would casually take down all the posters on the windows
i informed him the price would rise from £10 to £15,for 2 reasons
no 1 it was underpriced at the beginning
2 i would have to wait around for 15 mins till he moved everything
he was not too happy ,but i gave him the option ,i would try to gat another cleaner for him who would do it for £10,his reply was " no you are reliable,i will stick with you"
then another window cleaner told me he was asking him to do it for £10,without a receipt!
i had great pleasure in informing him i would no longer be his window cleaner and the other chap he asked would not be doing it either
his face was a picture!!!!
if in the next few months he asks me back i will inform him the price is now £25