Dstv internet, disappointing

I have had this DStv internet for more than 6 months now and paying every month but not even once has this thing worked properly. Even went as far as going to the DStv walk in center in Randburg and was told your issue has been iscaletted that was 2 months ago and a guy by the name of Bhekani (I assume is the IT guy for this(at DStv walk in center ) gave me his number but he doesn't reply to text nor calls. I tried canceling this, they said send an email (***) that was two weeks ago and still no response. Dstv call center has no idea how this DStv internet works and no other outlet agency has been trained about this in the East Rand, so I have to drive all the way to Randburg from Benoni, such an inconvenience and still they can't help. I have had it with this DStv internet and it's incomplete service.