I,VE SPOKE ABOUT THIS BEFORE,I,M FROM BARNSLEY AND I CHARGE £4 AND THEY GENUINELY THINK THEIR PAYING THE EARTH,I SUPPOSE IF YOUR WFP YOU COULD CHARGE A LITTLE EXTRA DUE TO CLEANING THE FRAMES EVERYTIME.THERE IS A LAD ON HERE WHO WORKS IN SHAFTON (BARNSLEY) AND DOES VERY WELL UPWARDS OF £200 A DAY IF I REMEMBER RIGHT ,I SUPPOSE ITS AN AREA THING,MAYBE WE SHOULD BOTH PUT EM UP AND STICK TO OUR GUNS,IF THEY DON,T LIKE IT TELL EM TO GET SOMEONE ELSE,THEY WON,T GET ANYONE AS CHEAP AS US FOOLS MATE....