Bad customer service and support

Eft money to a company on 24 September as it was holiday and didn't make immediate payment arrived at that company to write a test I couldn't cause money has not yet reflected on their bank after 3 hrs they suggested that I reverse and pay at the their company I did and nobody told me that the has to be money in the account for reversal I only assumed that it means they will deduct and till now they haven't paid money after getting their reversal fee I had to borrow to pay and write test cause it 200km far from my home now am being called all names cause they want their money back I borrowed and have been calling and calling which is not toll free number only to be disconnected when airtime ran out