Vodacom Fibre poor service

So November 2022 I requested an upgrade on my Fibre line on a promotional package. It then took a month to finally get the upgrade done. February 2023 I get my 1st invoice and I was incorrectly billed. Phone customer service only to get the run around from about 9 different consultants. This is after my 17 different consultants who couldn't help me with the upgrade. 3 weeks later after logging countless service request and being promised a call back with no such luck, Now they just debited my account with the incorrect amount and it seems I can't do anything about it because every consultant I try to speak to gives me the run around. *** is this poor service.