Trick-or-treating is a Halloween custom where children go door-to-door in costume, asking "Trick or treat?" and requesting treats such as candy or money. The "trick" part is an idle threat to play a prank on the homeowners if no treat is given. Trick-or-treating is a central Halloween tradition. Homeowners in neighborhoods with children are generally expected to have candy ready for the influx of trick-or-treaters. In 2023, the National Confectioners Association found that 80% of American adults planned to distribute confections to trick-or-treaters, while 93% of children intended to go door-to-door collecting them. The practice of dressing up in costumes and going door-to-door to beg for treats on holidays dates back to the Middle Ages, including the tradition of Christmas wassailing. Trick-or-treating is similar to the late medieval practice of "souling," where the poor would visit homes on Hallowmas (November 1st) in exchange for food, offering prayers ...