Walsh's NOFRILLS Edmonton

On Monday night Sept 19, while shopping for groceries, I see there is 3 avocadoes at the 50% off cart, a cashier charged 3 for 2.50$ even 50% off, I felt it is not right, I went back to check the price one bag (6 avocadoes) cost only 4$, it means 3 for 2$ and 50% off is 3 for 1$ but I was charged 2.50$ for 3, more than price of the fresh one. I ask for refund but I was told the discount item no refund. No frill is my favorite, but I am so disappointed the way customer service solve issue.

I come here all the time and the other day I stopped and grabbed my son some juice and had to wait in the line up for like 15 minutes behind this one guy who kept putting things back and trying to pay for them I was in a rush and finally when I got through I just took the juice and left. The next day when I opened the juice it was clearly sour and I tried to bring it back to exchange it for a new one, because I didn't have my receipt they wouldn't let me exchange it for a new one even after I sh