You put down a deposit and use that money to enter tournaments.
http://forum.spolokmedikovke.sk/viewtopic.php?f=17&t=1138312
https://www.ww2.site/forum/viewtopic.php?t=67926
https://forum.zweb-apps.xyz/viewtopic.php?t=29878
http://horsecity.ru/phpBB3/viewtopic.php?f=20&t=183541
http://miweii.com/forum.php?mod=viewthread&tid=16793&extra=
https://www.ww2.site/forum/viewtopic.php?t=100449
http://forum.spolokmedikovke.sk/viewtopic.php?f=18&t=1118524
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=1&t=235161
http://kronmark.eu/index.php/forum/more-about-the-kunena/4496-total-casino-kiedy-grac-vulkan-vegas-casino
https://talkingpoints.org/subx/showthread.php?tid=18668
https://www.ww2.site/forum/viewtopic.php?t=276047