Originally Posted by Wildnsyko 
"Do you have anymore of that?" I say, "Unfortunately that's all we have." They say, "Can you go in the back and look?" More evil thinking... and I say, "I'm sorry but that's is it." Then they look at you like I'm lying.
Many store clerks are too lazy to actually check for stock availability.
I usually ask them to check their store computers for the stock status, and usually that indicates that there is at least one available. Then I have them search and find the item. Many times in being insistent, I get the item!