Vodacom *****ing money

After several attempts to cancel an expired contract : 3 months and again nothing. January the information on MyVodacom shows "pending cancellation". February call in again to query, just to be informed the cancellation did not go through. Again ask for immidiate cancellation due to fact that the correct process was followed by me - and guess what - iso cancellation, the line gets upgraded. Is this due to incompetant staff or just a ***** method of Vodacom to ***** money from customers? Now I have to wait another 3 weeks for them to attend to my query - again not cancelling the contract, just investigating my query.