Does anyone have a terrible hairstylist story?

back when I was 19 I went to get my hair dyed professionally, I am a natural brunette and i wanted to dye it to black. When I went to the salon I was assigned to a girl I knew from high school to do my hair, I told her what I wanted and she went to mix the color. I noticed when color was processing through the foils it was brown not black but I didn't think much of it until she washed it out and dried my hair and it was brown not black she ends up saying isn't this such a gorgeous brown, she had me pay for it ($70) and she clocked out and left the salon.