bad customer service ever

have move inn at atkinson building on the 31 of december2019 on my arrival date the unit i have paid for was not available as there was somebody who moved inn before me ask why they let somebody move inn when the unit is already paid for on the 20 december none could explain it was told it was the office fault and was given a new unit come month end did not received my statement called afhco customer service on the 1/02/2020 spoke to a lady by the name of abegail she send me statement only to find out balance due is R8,623.00 call customer service again spoke to a gentle man who said as i have paid the deposit at room 256 must ignore the R5623.00 and only pay R3035.00 did make the payment on the 3/02/2020 on the 04/02/2020 received an sms to notify me about balance due of R8623.00 call customer service again was advise to ignore the sms today again got e-mail received from afhcho notify me about the outstading balance of R5623.00 CALL CUSTOMER SERVICE AGAIN none is willing to help consultant said dont know what going on clearly afhco is hiring people who dont know what they are doing that is why i still have the same problem CAN someone fix this cause cleary none of ur consultant know whatg theyh are doing.......