I probably wont but I will only be paying £7.50 instead of the £20 I am paying at the minute.
Welcome to the forum. Reading you post I am sorry to hear that you have had such a tough time getting the fault on your line fixed. Reading what you have said it does sound like the problem is on the network side of things.
I would like to look into the details of the fault for you. Please could you send me in your details using the Link found in my profile?