A parrot breeder and his parrots are seen at the Damai Perdana hill in the Cheras region ahead of the May 31 World Parrot Day in Kuala Lumpur, Malaysia on May 29, 2022. A group of parrot breeders in the capital Kuala Lumpur performed a “free flight” performance with different species of parrots. (Photo by Syaiful Redzuan/Anadolu Agency via Getty Images)

Players perform during a game at the first Bubble Soccer tournament in Hitzkirch, near Lucerne, Switzerland, June 27, 2015. Bubble Soccer, also known as Zorb Soccer, is becoming increasingly popular around the world. The game is a recreation of playing soccer whilst encased in an inflated zorb which covers the players upper-body and head. (Photo by Urs Flueeler/EPA)

Forgotten Guerrero. A female member of the community defence force holds her weapon. Since early 2019, the village has been attacked repeatedly by Los Ardillos cartel, prompting residents to take action. Rincón de Chautla, Guerrero, 10 June 2019. (Photo by Alfredo Bosco/Luz with the support of Le Figaro Magazine, Winner of the 2020 Humanitarian Visa d’or award, International Committee of the Red Cross/International Festival of Photojournalism 2020)

A United aircraft rolls over the highway to its parking position after landing at the airport in Frankfurt, Germany, Thursday, February 15, 2024. (Photo by Michael Probst/AP Photo)

An Afghan burqa-clad woman carries a child as she walks along a road in Herat on October 1, 2023. (Photo by Mohsen Karimi/AFP Photo)

Weighing 1,500lb, Brutus the great white shark lunges at some bait off Guadalupe Island, Mexico in July 2022. (Photo by Euan Rannachan/Media Drum Images/The Times)

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.

Bystanders look at the wreckage of a bus in Noshki town of Balochistan province on March 17, 2025, a day after an explosives laden car hit one of the seven buses of a convoy, a bombing carried out allegedly by the separatist group Baloch Liberation Army (BLA). Separatists in southwest Pakistan killed at least five paramilitaries and wounded more than 30 on March 16, police told AFP, days after an attack on a train in Balochistan province left dozens dead. (Photo by AFP Photo)