Telkom - Bad Bad Technical service

Being a new Telkom customer we are totally dissapointed in the service and quality of this company. 4 Weeks ago we had an adsl line installed as we took the R599 special and to date it has not been operating like it should.. At the moment we sit with the NO INTERNET connection at all. So the story goes like this: I contacted Telkom when our internet was not working they said to me that they will send a technician out to sort the problem as there was a fault on our line, 1 day later without any technician arriving at our house the internet suddendly starts working and continues to work until Saturday (10-02-18), reason for the internet not working now is because a TELKOM TECHNICIAN arrives at our house while we are not at home and gets let in by my 79 year old father inlaw who does not know anything about technology, the technician then continues to work on the line (note that the line and internet was working perfectly) and says to my father inlaw he needs to go to Woodstock and he will be back, obviously he never returned leaving the wires and everything just open and hanging there in a total mess.. Now my question why was the line worked on if it was working 100%, the technician could clearly see that but yet he continues to do something which he still hasnt completed.. So now we sit with NO INTERNET connection again and we await another technician.. I refuse to pay for a service which i only had 3 days use of since installation, from customer service right down to your technicians your so called service is horribly unproffesional and definitely not worth the money and stress..