American model Emily Ratajkowski are spotted arriving to the La Ligne dinner at the Hotel Barriere Fouquet in New York City on February 8, 2023. (Photo by The Image Direct)

Palestinian children, with empty containers, wait in a line for food, distributed by charity organizations, since Palestinians are unable to obtain basic food supplies due to the embargo imposed by Israeli forces in Rafah, Gaza on February 25, 2024. (Photo by Abed Zagout/Anadolu via Getty Images)

Bodies of Palestinians, who lost their lives after Israeli attacks, are brought to Indonesia Hospital in Gaza City, Gaza on May 16, 2025. Palestinians who lost their relatives were saddened. It was reported that more than 100 Palestinians were killed in the Israeli attacks on northern Gaza, which started at midnight and intensified in the morning. (Photo by Abdalhkem Abu Riash/Anadolu via Getty Images)

American singer and actress Addison Rae arrives at Variety's Power of Young Hollywood on Thursday, August 8, 2024, in Los Angeles. (Photo by Jordan Strauss/Invision/AP Photo)

American singer/songwriter Ashley Nicolette Frangipane, known professionally as Halsey arrives at Playboy's Midsummer Night's Dream at the Marquee Nightclub at The Cosmopolitan of Las Vegas on July 29, 2018 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/Getty Images)

Palestinians fleeing Khan Yunis on the coastal road leading to Rafah further south ride on a donkey-cart with their belongings on January 25, 2024, amid continuing battles between Israel and the Palestinian militant group Hamas. Israel pressed its blistering assault on the Gazan city of Khan Yunis on January 25, with the Palestinian Islamist movement Hamas saying dozens were killed in heavy bombardment and urban combat. (Photo by AFP 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.

A Palestinian holding a weapon takes cover between buildings amid clashes with Israeli troops during an Israeli raid in Nablus in the Israeli-occupied West Bank on June 13, 2023. (Photo by Raneen Sawafta/Reuters)