AVOID EDGAR'S THE GLEN ACTUALLY AVOID ALL EDGAR'S!!!

I went in for the buy one get one free sale. I have done this before in the past where the cashiers tell me do seperate transactions to save. Today at the Glen they refused saying they don't and never do this and when I said I have been here before many times and it was done she said not anymore. I spoke to the manager who also turned a blind eye and walked away saying no. I ended up paying way more than I should have with the sale. I had to pay extra R400. Showed them the calculations that it makes no sense I should pay R400 less but just got a long stare and then been told must i scan it or not. PLEASE AVOID THE GLEN EDGAR'S!!!! this is really ripping us off. I will be taking this to social media. Buy one get one free is a **** as they are making more money and you are loosing out.... Please check your own calculations and you will see.... I don't want to shop here again....