reverse of money done by EFT

SO SAT I WENT TO MAKE TWO PAYMENTS VIA EFT, AND NOT TO MENTION IT WAS MY FIRST TIME DOING THE EFT, SO I OF COURSE PUT IN THE INCORRECT AMOUNT TO MY CAMPUS, SO TODAY I WENT TO THE BANK TO ASK THEM TO RESERVE THE MONEY THEY RATHER TOLD ME I MUST WAIT 7 DAYS TO 30 DAY TO GET THE MONEY BACK, and i will be charged 350 regardless if i get my money back oh not, i am really sad this is happening coming from a bank i actually opened my account from, nerveless u guys are going to be sorry, cause i am laying a complain and i am also changing my account. GOOD BYE NED BANK U JUST LOST ONE CUSTOMER, BELIEVE ME U WILL LOSE EVEN MORE CUSTOMER NOW I CAN ASSURE YOU THAT