A boy pushes a donkey cart loaded with bundles of cotton blooms that were collected by women cotton pickers in Meeran Pur village, north of Karachi September 25, 2014. Women make up the bulk of Pakistan's half a million cotton producers, but labour rights activists say they are often exploited by overseers, who often withhold their wages and may subject some of them to sexual harassment. (Photo by Akhtar Soomro/Reuters)

In this October 7, 2014, photo, Fredrick Brower, center, helps cut up a bowhead whale caught by Inupiat subsistence hunters on a field near Barrow, Alaska. Drawing on tradition, and keeping within the closely monitored Aboriginal subsistence whaling guidelines, a bowhead whale is carved and divided by a crew armed with knives and hooks, and then shared according to custom. (Photo by Gregory Bull/AP Photo)

Anne London found her focus at the age of 19 while working for Tippi Hedren, founder of Shambala , a refuge for big cats, elephants and other species located in California. There, as she walked among the animals, she realized that the commercial art field was not for her, and she dedicated her life to bringing about awareness of the plight of endangered wildlife across the globe, and raising money for conservation efforts.

A spinning top is seen on a hand during a performance at Sanxia old street in New Taipei City, Taiwan May 8, 2016. Taiwan's ancient folk art of spinning tops is kept alive by a group of enthusiasts who perform intricate tricks with the toys at a temple in Taipei, the capital. (Photo by Tyrone Siu/Reuters)

Indian Border Security Force (BSF) soldiers offer sweet to each other during the celebrations to mark country's Republic Day at the India-Pakistan Wagah border post, about 35kms from Amritsar on January 26, 2025. (Photo by Narinder Nanu/AFP Photo)

Cast member, American model and actress Hunter Schafer attends the world premiere of the movie “Hunger Games: The Ballad of Songbirds and Snakes”, in BFI IMAX in London, Britain on November 9, 2023. (Photo by Maja Smiejkowska/Reuters)

A child explores the ancestry in the stars exhibit that forms part of YOU:MATTER, after the cutting-edge experience opened at the National Science and Media Museum in Bradford, UK on Friday, April 11, 2025. (Photo by Danny Lawson/PA Images via Getty Images)

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.