Let's be totally honest. We've all seen the adverts doing the rounds - we will buy your old windows!!! Why? Why would a company that wants to make money off your purchase actually pay you for your old, insecure, aged, cold, battered windows? They obviously wouldn't. There isn't even a charity shop that would take them off you for free. So, what is the deal? Simple - overprice the new windows, add in a fictitious "buy back" figure to drop the price down to a more reasonable pr