I like this store? If I was made to feel like I didn't know what I was talking about I'd pimp slap the clerk, yank off their name badge and say "Do you understand me now, or do you need further explanation?!". This technique works well in most, but not all retail situations. Don't try it with the Walmart greeters. Most of those guys are Civil War or WW1 veterans and they'll take your ass DOWN!