I wouldn't take the "do you have it in the back" questions so hard guys.
I didn't at first, and I usually don't if I just started my shift, but once you have people constantly asking you when you are sure of what you have in stock then it can become quite intolerable, I've learned to shrug it off, but it just grinds my gears when they try to treat us like we're slaves.
However we have developed some strategies too.
*We go to the back pretend we are checking the invoice for a few seconds,because unfortunately the new owner of the store had the idiocy of cutting out the not-so-transparent panels from the plastic doors that seperate sanity from insanity and now they can see us, and so we tell them that it either shorted from the warehouse or that my manager didn't order any.
*We go to the back, go inside the cooler, intelligently walk back and forth checking if we have it and then come out and say "sorry we don't have it".
*I like to give them a good clean "No." and then turn my back to them because that's how I was in the first place while I was working, even if they ask again that same "No." won't be said a third time.
I understand what you, Kairon, are trying to say but when I shop I'm not rude at all, I understand how it is on the other side, and you have to understand that when a customer gets a negative answer whether it be truthful or not he should seek another place to give his or her money, if the customer is not happy with the answer but prefers to be condescending (as I have been treated before) that's where they or we have crossed the line, because I can say from my own experience that I am not lazy and that I always try to offer my best possible service even though the owners are scrooges and prefer to have all the staff cut in half compared to other branches which are making the same money or are smaller than us yet here I am working the job of what should be 2 or 3 people doing it.