Find information on the game’s RTP (return to player). I personally have seen odds of more than 100, but you need to have iron nerves to wait for such odds and not to cash out early.
https://ufr-2020.front5.picapo.net/forums/viewtopic.php?pid=510019
https://mmomakemoneyonline.net/threads/hraci-automat-na-penize-sazeni-pres-internet.699028/
http://forum.spolokmedikovke.sk/viewtopic.php?f=25&t=1032258&p=3817471#p3817471
http://forums.shlock.co.uk/viewtopic.php?f=2&t=454462
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http://horsecity.ru/phpBB3/viewtopic.php?f=33&t=356459
https://sgs-game.com/forum/thread-243416.html
https://www.transe-hypnose.com/sujet/ktore-automaty-przynosza-pieniadze-gry-na-automatach.14825/
https://www.ww2.site/forum/viewtopic.php?t=68997
http://qrfonline.qrfmag.com/qrfswap/viewtopic.php?t=159716
http://aficionado.pl/showthread.php?541804-Hvordan-vinne-store-penger-i-online-kasinoer-Beste-Online-Roulette-Casino&p=587368