FNB debit order *******

Is so sad that even in this hard times banks have for mercy and are ripping us off, I have a debit order of 250 that was suppose to go off, I had R253 in my account and I did not realise that the premium on that debit order has went up to R260,the debit order bounced because it was R7 short as if that is not enough FNB CHARGED me R100 for that shortage, not only my debit order bounced but now I have to make a plan to come up with R100 extra that I did not even have