Nedbank do not care about there customers

I am extremely disappointed in Nedbank, for the last 4 months I have just been having bad experience with then, they say they are all for customer service but I see nothing, firstly in December 2017 they debit me 3 times for the same loan, after they a massive fight over the phone they realized they made a mistake and then tell me I will only be refunded after 7 working days, I did not stand for that .luckily they pais in earlier yet again after a fight. Then I phoned them to move my debit order date a month later , because my wotk has change monthly salary dated to last day of the month, in that case I only get my salary 24 to 48 hours after the paid in. So I asked can I move it to the 2nd of every month so the said yes but then I have to pay double orders because its a new month, so on all my loand and credit cards with nedbank I must pay double to be able to move it to the 2nd which I think is utter bull****, I can not help for the dates change in my salary thats why I suppose to have a bank that cares and looks after there customers, but clearly not. (Point once again no help from nedbank) last month they deducted again double amout of to my credit card , no phone call no nothing to say they have made this mistake. No we get to today,so knowing its good friday tomorrow I phoned them asking when will my debit orders go down because last day of the month is Saturday 31st of March its not a public holiday , so the lady say no no it will be deducted tonight the 29th of March, so I explained to her I can not be liable for that because I specifically told you guys I will get paid on month en the last day of the month and she pretty much imp**** its not there problem. So now I ask once again where is the customer service..seems like nedbank is more concerned about there off days and its there public holidays than helping there customers. In the past I have tried atleast 3 times opening a online banking app but once again no customer service.the will give me a temp code ect but at the end of the day to finish opening your banking app you must still go into the bank to do it. I unfortunately work in the hospitality industry I do not have time to go into a bank as I have explained to them numerous times but its always a attitude about its my problem not theres. Most useless bank ever!!!