Benoni Adsl Line not worth fixing?

After many years of paying my hard earned cash to Telkom i have had ENOUGH. The last few years i thought i would go through Afrihost to manage my line since dealing with Telkom is to much of a nightmare. Afrihost has been just as useless as you, you get *********** people to manage your Lines. They opened a ticket with you to revert my line BACK TO 4. you SNEAKILY downgraded me from 4 over 4 months ago, i been paying for 4 all these months. Instead of Fixing my faulty port on the exchange you change me to 3mbps, now thats is giving **** and im done. I told afrihost i want to be put back on 4 and problems sorted as im sharing my line and 3 just isnt cutting it. I WANT what i paid for. Now afrihost is passing the buck saying the ticket is still opened but on their side my line is perfect. Now i want my line sorted out. 4mbps and stable or ill take my business somewhere else and i want a refund for all these months i been paying a fortune for this ********** line and service. And dont dare take a leaf out Afrihost book and try insult me by saying the problem on my side. My router is just fine and i have sent all pingtest, tracerts to them and they DONT reply.