NZ real money sites publish RTP rates (return to player) for the games that they offer.
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https://www.ww2.site/forum/viewtopic.php?t=107627
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http://www.lada-xray.net/showthread.php ... post158509
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http://forum.bandingklub.cz/viewtopic.p ... &t=1218715
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https://mmomakemoneyonline.net/threads/ ... ze.530390/
http://biopharmamash.com/viewtopic.php? ... 8#p1839738
viewtopic.php?f=26&t=188853
http://forum3.bandingklub.cz/viewtopic. ... &t=1165822
https://www.ww2.site/forum/viewtopic.php?t=46020