Former leader of Britain's UKIP party, Nigel Farage (C) reacts as he speaks with Italian-Swedish MEP Anna Maria Corazza Bildt (L) and British Journalist Rachel Johnson during a panel discussion at a conference on Brexit, at the Saatchi Gallery in London on February 19, 2019. The British government on Friday dismissed as a “hiccup” its latest parliamentary defeat over Brexit, saying it would press on with trying to renegotiate its EU divorce deal as exit day looms in just six weeks. (Photo by Tolga Akmen/AFP Photo)

Oscars “Super Fan” Vivianne Robinson wearing Hollywood-themed attire, is pictured near the red carpet arrivals area, ahead of the 95th Academy Awards, in Hollywood, California, on March 10, 2023. The red carpet for the Oscars airing on March 12, 2023, is champagne-color for 2023. (Photo by Stefani Reynolds/AFP Photo)

From left, Cierra Fraser, 28, Los Angeles, a nanny, and Joslin Farley, 28, Los Angeles, a barista, poses in the outfits they wore to see the movie “Barbie” at TCL Chinese Theater in Los Angeles, California, on July 22, 2023. “I just knew that it was in good hands. I knew we were not gonna get a stereotypical barbie movie. I knew it was gonna be exactly what the people needed”, said Farley. (Photo by Jenna Schoenefeld for The Washington Post)

This photo provided by Red Antler Processing shows the alligator sport hunting team made up of, from left, Tanner White, tag-holder Donald Woods, Will Thomas and Joey Clark as they hoist, with the help of a forklift, the longest alligator officially harvested in Mississippi, Saturday, August 26, 2023, at Red Antler Processing in Yazoo City, Miss. The male alligator weighed 802.5 pounds and measured 14 feet, 3 inches long, and its length broke the state record as the longest alligator ever caught, according to the Mississippi Department of Wildlife, Fisheries and Parks. (Phoot by Shane Smith/Red Antler Processing via AP Photo)

“Horst Faas (28 April 1933 – 10 May 2012) was a German photo-journalist and two-time Pulitzer Prize winner. He is best-known for his images of the Vietnam War”. – Wikipedia

Photo: A U.S. crewman runs from a crashed CH-21 Shawnee troop helicopter near the village of Ca Mau in the southern tip of South Vietnam, December 11, 1962. Two helicopters crashed without serious injuries during a government raid on the Viet Cong-infiltrated area. Both helicopters were destroyed to keep them out of enemy hands. (Photo by AP Photo/Horst Faas)

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.

Hjalmar kneads the raw candy paste on a table on October 12, 2007 in Berlin, Germany. The Berlin based candy store produces 30 different kinds of handmade candies according traditional recipes. (Photo by Andreas Rentz/Getty Images)

Sakakibara Kikai's engineer Go Sakakibara poses with the bipedal robot Mononofu during its demonstration at its factory in Shinto Village, Gunma Prefecture, Japan on April 12, 2018. Developed at Sakakibara Kikai, a maker of farming machinery, LW-Mononofu is a 28-feet tall, two-legged robot weighing in at more than 7 tonnes. It contains a cockpit with monitors and levers for the pilot to control the robot's arms and legs. (Photo by Kim Kyung-Hoon/Reuters)