Deducting money from bank

Have you ever received the wonderful call from a person advertising their product/service and in the same breath, promising that the call is recorded for quality purposes. So you give them the date to debit your bank account but NO they either debit it 2 days prior to your salary being deposited or 4 days after your salary is spent.<br> This results in penalty fees from the bank, putting you in a negative amount with the bank.<br> I clearly stated my debit order must go off on the last day of July 31st July 2015 or 1st August latest. But unfortunately my account was debited on 29 July and again on 5 August when there is unfortunately no money in my bank account. This results in negative balances on my bank account and putting me on bad spot with my account at the bank. I am very disappointed in the breach of agreement as discussed telephonically.