Telkom must fall- they play in people's accounts

I am so sick and tired of telkom. After such a long relationship with them they just started doing the worsy thing to me I do not even umderstand. It all started around may, everything was fine and my two.account were upto date like the have been for so long. Then to my surprice they attempted to debit an amount i do not know and on day we never agreed,because it was a random day it bounced and my bank charged me for this. Fine i took it lightly and let it slight. Then it happened again, i called and they assured me it was a mistake that happened with a lot of people and they see that my acvount is up to date it wont happen again. The main issue started when this unathorized debit came month end and found money in my account so the third attempt was success, mind you the account in questiom is for debit orders only so i only put in what i know must go out,so they successfully debited my account with a wrong amount on a wrong day and because of this when they actual day came i didnt have enough money anymore. They then wanted to charge me R200 something because their debit did not go through. A few days after the wrongful debit, they reserved ot back into my acvount account because they were not supposed to take it vhele. I have been calling and.emailing them my statement but no one is able to help me,they still continue to play in my account till this day. No one is able to help,their store consultants are worse. The worst part is not this attempts(i just got one this morning as well and my debit date is the 5th) or the bank charges, the worst part is that they are messing with my credit score now and thats a big issue since i work in the banking industry. I hate telkom i wish i never renewed the last time they are making my life a living hell for their own stupid errors and they not competent enough to fix them