FNB causing financial loss

I deposited money into my account on Wednesday. Its now Saturday. On Friday I was told the money has been cleared and will be available in my account. It is not, since when does it take 3 or more days for deposits to show in my account? Its at most 24hrs, always. Who pays fpr the debit orders that will now bounce? And the credit rating? Whos going to fix that? And the groceries? Whos going to pay for that? Ill just starve till Monday! Absolutely pathetic!