Xabi Zurutuza of Spain for Red Bull KTM Ajo crashes during Moto3 Free Practice Three as part of the Australian Motorcycle Grand Prix at the Phillip Island Grand Prix Circuit in Phillip Island, Australia, 19 October 2024. (Photo by Joel Carrett/EPA)

Triathletes swim during an Ironman event in Taupō, New Zealand, on Saturday, March 1, 2025. (Photo by Phil Walter/Getty Images)

Members of the Washington Commanders Command Force dance during a timeout against the Seattle Seahawks during the second half at Northwest Stadium in Landover, Maryland on November 2, 2025. (Photo by Geoff Burke/Reuters)

Flamengo soccer fans cheer a goal scored by Gabriel against Argentina's River Plate in the Copa Libertadores final match, broadcast on a giant screen at a watch party at the Macarena Stadium, in Rio de Janeiro, Brazil, Saturday, November 23, 2019. The first single-match final will be played in front of more than 65,000 fans at Lima’s Monumental Stadium. The match was originally scheduled for Santiago’s National Stadium, but it was moved because of street protests in Chile. (Photo by Silvia Izquierdo/AP Photo)

United States's Jessie Diggins celebrates winning the cross-country ski, women's Tour de Ski overall standings, in Val di Fiemme, Italy, Sunday, January 7, 2024. (Photo by Alessandro Trovati/AP Photo)

Everyone wants to get something for nothing - whether it's a lucky upgrade that means you can turn left when you get on a plane instead or heading off into the economy seats, or even getting a few extra features thrown in for free when you buy a new car.

As some of the sharpest businesses around, no-one understands this quite as well as casinos and that's why they all have a system that they call comps. It's short for "complimentary offers" and these are special treats specially designed to reward you for your loyalty to the casino in question. They're basically bonuses.

Max Verstappen of Netherlands and Red Bull Racing prepares to drive in the garage during practice for the F1 Grand Prix of Spain at Circuit de Barcelona-Catalunya on August 14, 2020 in Barcelona, Spain. (Photo by Mark Thompson/Getty Images)

Japan's Naomi Osaka sits with her towel over her head during a break in her third round loss to Coco Gauff of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Friday, January 24, 2020. (Photo by Lee Jin-man/AP Photo)