FNB is indeed a ****

Since FNB always makes unnecessary debits on my account i am always aware of what goes in an out at what cost,yesterday 28th of April i all og a sudden on -R220 after I just had a enough money on the account n I immediately contacted them an was told I was charged item fees for corvering transactions when i ask how the stament changes to that my account was overdrawn on the 25th i didnt understand how as that date was my pay date,wich yes i saw that overdrawn an deposited money to clear them an they were cleared and for every withdrawal i have made I have paid the charge cause money was there