Spain celebrates winning the FIFA Women's World Cup 2023 Final match between Spain and England on Sunday, August 20, 2023, at Stadium Australia in Sydney, Australia, (Photo by Jabin Botsford/The Washington Post)

Young Ukrainian cadets of Kyiv's “Cadets Corp” military school dance after the graduation ceremony at the Monument to Prince Volodymyr in Kyiv on September 29, 2023, amid Russian invasion of Ukraine. (Photo by Sergei Supinsky/AFP Photo)

Picture of a float taking part in the “White Day” parade during the Carnival of Blacks and Whites in Pasto, Colombia on January 6, 2024. The Blacks and Whites carnival has its origins in a mix of Andean, Amazonian and Pacific cultural expressions, and it celebrates the ethnic diversity in the region and was proclaimed by UNESCO as intangible cultural heritage in 2009. (Photo by Joaquín Sarmiento/AFP Photo)

Women wear the traditional costume of the Alto Tio Diego carnival during the Women's Afro-Mestizo Carnival of Alto Tio Diego on February 11, 2024 in Veracruz, Mexico. Alto Tio Diego is a small town near the State capital Xalapa where every year inhabitants celebrate their traditional carnival. Women of the town demanded a special day for them to parade and few years ago, they started to do it by walking through the streets wearing traditional costumes and masks (mostly of animals) but the attires have evolved to more modern characters. (Photo by Hector AD Quintanar/Getty Images)

Model Rachel Pizzolato poses with a dog during the “The Pet Gala” at GH on the Park in New York City on May 19, 2025. The Pet Gala by Anthony Rubio designs recreates outfits from the Met Gala for pets. (Photo by Timothy A. Clary/AFP Photo)

Dancers take part in the World Salsa Festival at El Pueblo Coliseum in Cali, Colombia, 26 September 2025. (Photo by Ernesto Guzman Jr./EPA)

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.

Armed Syrian Turkmen villagers are seen near the northern Syrian village of Yamadi, near the Turkish-Syrian border, Syria, November 24, 2015. Turkey shot down a Russian warplane near the Syrian border on Tuesday saying it had repeatedly violated its air space, one of the most serious publicly acknowledged clashes between a NATO member country and Russia for half a century. (Photo by Reuters/Stringer)