Charged abnormal - Not happy with Multichoice

Multi choice is making my life difficult, I have 2 decoders and 1 is Explorer and the other is Access so on the 2nd March i called them to upgrade my Access to Compact then that lady told me i will pay R863.00 on the 3rd March and i am on price lock and paying by debit, After few days i checked on My DSTV App, the amount i owe is R1440.00 i called want to know, The consultant told me the is an outstanding balance, i asked the where does it come from cause i paying by debit and she told me that the Access decoder is not on price lock - wow first time hearing that and ive been told that all my decoders are on price lock. Last week i called again different story that there is a cancel subscription fee of R108 and R401 when i asked she doesnt know where the R401 comes from and why i have to pay the cancelation fee, since ive been calling them they say they will escalate to Accounts but that Account dont do anything its just a waiste of time and money. How can the debit take small amount that instead of the requred payment no ways. Multichoice stop ******** us our money and charged us incorrect amount we working hard for that money that you think you can take what ever you want and i will cancel that stupid debit order cause its a ****, Multichoice stop what you doing and treat us well as you customers or our money is full in your pockets you dont care about us anymore. You think you can treat us like trash