Pathetic and bad service

Good day i would just like to say how bad and pathetic the service is at pick n pay Rosemead. I have dealt with the manager on duty Tesne Leibrandt that is unprofessional and clearly does not know how to keep her customers satisfied and to find a solution to a customers problem. On the 20th July 2018 i bought i have purchased a AIM Cordless Kettle and 2 slice Toaster of the value of R799. I also purchased a few other goods. I used a debit mastercard. A cash card that money gets loaded on from my work and i can use it anywhere in the country. I buy every month around R5000 or more at pick n pay to do my monthly shopping with this card. I took the product back to the store for a refund as my wife said that we can rather use the money for other stuff as pay day is still a week away. They refused to give me a refund. I had to take a day off work to return to the store day and used my fuel that they are not paying for. They are quick to take customers money but if there is a small issue they refuse to refund the customer. I can not understand this as i had explained to her that no1 else besides vodacom can load this cash card. But clearly she has no interest in solving my problem. Now this has caused me a very big inconvenience. Whether im paying cash or card the company is still receiving my money. I don't see why it must be such an issue to get my R800 back. Pick n pay will not be paying my salary or my fuel for taking this day off to come fight for the money i have spent in the store. I am highly unsatisfied with this kind of service. I have never gone through such an effort just 2 get a refund on my money that i have spent. This makes me never wanting to buy or support pick n pay anymore because they do not value there customers. I will take this further on social media also as this is uncalled for.