Very dissapointed in service from DSTV

Cancelled my DSTV service during mid April as result of poor content at ridiculous fees. Phoned to ensure my service will be disconnected and my debit order will be cancelled. Received confirmation of this from call centre agent. Service was disconnected on the correct date. However debir order was still deducted the next day. Phoned on the 28th to get refunded. Was told refund would be done in 5 days. Phoned again after 10 days. First agent tells me that refunds take 30 to 40 days. After requesting to speak to a manager this suddenly became 4 days. Refund due this week. Not very confident that this will realise. In total over an hour on the phone during the 3 calls of which at least 50 minutes was on hold. Had DSTV not had the monopoly they would have been out of business a long time ago. Poor service, even poorer content on their channels coupled with outrageous fees.