DSTV disasterous renewal of contract.

I received a call to renew my pricelock contract for another 2 years, which I did. And then the nightmare started. We have the top of the range package and dualview. When the every day they were alternatively cut of for not having a package connected or not having access to a specific channel. Every time it took a half hour on the phone i my work time to try to sort it out, days on end. I have paid premium for the month of Feb and then changed in Feb. The pro rata money was not taken, my complaint was not followed up, and tonight a double premium was taken from my account and fot the first time in 47 years I have an unpaid item on my bank account. So I have paid 3 premiums for 2 months. There is no way the persons answering the phone during the day, manage to sort it out. I am so furious about this incompetence and I have no way to sort it out.