just wondering if i should put an advert in shop windows for my wfp and jet washing ,i used to when i did gardening and got most of my work that way , what if there is a window cleaner in the area is this aceptable or is it a no no ,,or should i put a disclaimer on bottom of postcard saying something like ,if you already have a window cleaner who you are happy with please do not reply ,,or am i being to considerate any thoughts please ,postin millions of flyers but every bit of advertising helps and for 25 pence a week in the post offices etc i can reach even more people