be smart and cheerful, sell yourself first and foremost, after all if you look grumpy and not so pleasant, and quite scruffy...
well ... would you, yourself take any kind of service from that kind of guy??
Tell them you are currently working in this area, and wondered if you require a window cleaner?
if the answer is " no thanks we already have one"
say thats fine.. thank you for your time.... may i leave you a card should you ever need to call.....
Thank you , bye...take care now.
