Pick 'n Pay pricing not ad advertised

I bought 6 items today of which 5 items had big red signs on the shelves with lower prices "being on special." To my surprise only 1 item rrang up correctly at the till point. I had to tell the lady on the till that the price was wrong on each item. I had to go and fetch the correct prices as displayed since the pace she was walking at showed that she was in no rush to resolve the problem. So something that should have taken 3 minutes at the Express till took nearly 20 minutes. She did not even put a closed sign up or apologise to the people behind me in line. I had to tell them this iwas going to take long and they must rather join another line.. I informed the manager of all the wrong pricing, and also he didn't seem to be too apologetic nor concerned about all the incorrect pricing. He just went to sit down again after his half hearted apology and said he would fix it. Then to top it all off a packer came pulling his loaded trolley through in between the tillpoints going into the shop. He ran over my foot, looked back and carried on walking. I had to tell him the actual thing to do is say sorry, but that too fell on deaf ears. I was going to lodge the complaint directly with Pick 'n Pay headoffice however they don't seem to list an email address to lodge a complaint during hours when they are closed. So if I didn't question the total cost at the tillpoint - I would have been overcharged by R645.98 in one shopping trip. So please tell me why you have specials..... just so that people can think they are saving money...... that would explain why the till points have no screen facing the customer You have to guess what is being charged and hope for the best.