A woman bathes into the icy water on Epiphany during a traditional Epiphany at the Great Palace Pond with the Church of the Holy Trinity in Ostankino in the background in Moscow, Russia, on Thursday, January 18, 2024. (Photo by Alexander Zemlianichenko/AP Photo)

Members of the Sydney Swans Football Club and LA Rams cheerleaders walk in the Sydney Gay & Lesbian Mardi Gras Parade as part of Sydney WorldPride on February 25, 2023 in Sydney, Australia. The Sydney Gay and Lesbian Mardi Gras parade returns to Oxford Street in celebration of the event's 45th anniversary. The parade began in 1978 as a march to commemorate the 1969 Stonewall Riots in New York and has been held every year since to promote awareness of gay, lesbian, bisexual and transgendered issues. (Photo by Brendon Thorne/Getty Images)

A Palestinian girl is seen inside the giant jerry can filled with water as displaced Palestinians, sheltering in tents they have set up in schools and along roadsides, experience the increasing temperatures in Deir al-Balah, Gaza, on June 11, 2024. Especially children are the most affected by the extremely hot weather conditions, while the number of Palestinians migrating to Deir al-Balah is increasing day by day due to Israeli attacks on different parts of Gaza. (Photo by Hasan Jedi/Anadolu via Getty Images)

Indian actress Priyanka Chopra Jonas, American actress Anne Hathaway and American actress and singer Zendaya attend the “Bulgari Mediterranea High Jewelry” event at Palazzo Ducale on May 16, 2023 in Venice. (Photo by Pietro S. D'Aprano/Getty Images for Bulgari)

A little girl rubs her tired eyes during the first day at the lyceum named after Moldovan writer Gheorghe Asachi in Chisinau on September 2, 2024. (Photo by Dumitru Doru/Radio Free Europe/Radio Liberty)

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.

Several beaches along South Florida's Atlantic coast line were closed after thousands of sharks were seen migrating in the waters. The sharks were migrating from Boca Raton to Jupiter since the beginning of March, marine biologists told NBC Miami. Photo: A spinner shark swims just offshore on Midtown Beach in Palm Beach on Tuesday. (Photo by Jeffrey Langlois/Palm Beach Daily News)

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)