Worst customer service ever

After my pricelock ended i received an sms advising that my premium will increase to R 749 pm. i now get billed R 949 (I pay by debit order). i queried more than a month ago and advise it is being investigated. i then get billed R 904 with no feedback from multichoice in 6 weeks. this is pathetic customer service. seems they can fluctuate your payments as they wish. its frustrating that they don't call back or respond to your query as promised. paying premium but customer service doesn't match to any degree. will be switching to a streaming service