Due to the nature of what it means, bracketing has in the past been reserved for the professional photographer who could afford to and found it necessary to "burn" a lot of emulsion film to get the shot spot on. (All Things Photography)

Amateur photographers tend to use bracketing more, as it opens up room for error while allowing them to learn how metered exposures work. (Photography.com)

Used judiciously, exposure bracketing is a simple technique that can ensure proper exposure of a difficult lighting situation. (Photoxels)