Incompetence in pricing department

Pick n' Pay Hyper Greenstone pricing staff are completely ***********. For many years I've car issues where pricing on the shelf doesn't match at the till. I've checked the shelf to make 100% sure that it is the correct item and still get the wrong price at the till. When I talk to the staff, I get no response or they themselves don't know anything. Many times I've come home and realised only after it was too late. It has been across several different items. It's disgusting. Absolutely ***********.