Dealing with Neotel is a nightmare!!!

On the 15.01.2016, a Neotel debit of R498 was supposed to be deducted off my account. I made sure that I had enough money in my account so that the debit order could go through. Neotel deducted R1097 off my account, and the debit order bounced. They made a mistake by deducting 2 months, which they admitted to. I had to pay in the amount of R498 AND my bank charged me R136 for the returned debit order. Now, Neotel is charging me R100 because the debit order bounced. AND they did not pick up the payment so they claiming I am in arrears, even though I sent a proof of payment. They are so ***********. It is extremely frustrating. They don't reply to emails and they don't seem to be communicating internally. I am extreme