I don't know where to start from. The person that I dealt with is not tech savvy at all, and the store manager is blunt and rude.
I went there to purchase an internal serial pci card, and the gentleman that I dealt with told me that they have it on the phone, and when I go there and asked him about it, he was so confused and didn't even know what's an internal serial pci card, I even did draw i to him on a piece of a paper! So I suggested to him to google it to see what's I'm asking for. And then, I hear the store manager yelling at me: