Terrible customer service

We are disgusted with the poor customer service that Dstv offers. I have recently changed my package to the premium package with a price lock of R849 pm for the next 24 months. The new decoder worked for 2 days an an error continuously popped up...the dstv consultants were unable to assist so I visited dstv umhlanga were the decoder were tested and a new one was given. This month Dstv debited R 3881 instead of R849. We called the pathetic call centre whose employees lack their own product knowledge, to such an extent that we had to continuously had repeat that we don't owe dstv R3881 as R849 was debited from my account each month. We then realized that dstv charged us for the new dstv whereas it was supposed to be an exchange for the faulty one, which is in their possession. This afternoon again we sat on hours with a consultant named Zama who promised to rectify this query, by the way this was also promised by the gentlemen whom we spoke to previously. This is frustrating that a big company like dstv who is recognized globally cannot sort out a simple issue. Dstv will hound you with multiple calls just to sell a product, yet when there is a query it can't be resolved efficiently. Dstv needs to look at employing competent people. You don't even have a guaranteed turnaround time to resolve our issues. You guys have really lost the plot. Relook at the skills that a consultant should have. I hope my calls are recorded, I urge u too listen to your *********** bunch.