Terrible service breach of contract

Today I have called the Mfc callcenter 4 times Each time I was told to hold on and cut off I am new to mfc only 1 instalment has ran off my account .I confirmed the date for the debit to run on the 28 to 30 of the month .in September I waited and called in I was advised instalment will.only run on the 1st. I then advised them this was not what I agreed to rather run the debit on the 28th.i was told not a problem and an attachment was sent to me which I could not access I took it all was in order . Now i call Mfc as my instalment did not run at the end of October . They tell me the instalment will run the end of November...i asked how is this possible I will not be in arrears which I was told not you won't be . Then i confirmed I signed a contract where the amount to run off my account will be R6770.60 and now i am told yes that's correct but the instalment changed to R6834.51? When asked why they couldn't confirm put me on hold and the call keeps on cutting off whilst I'm on hold...terrible.service especially after I advised them to call me back on my cell phone no. What is going on? I was previously using wesbank and had no such issue. Very disappointing