This is usually why people use max bet option on bonus credit and first deposit bonus credits. Some casinos offer a higher number of spins but apply stricter wagering conditions. The best NZ online casinos offer both options, letting players choose based on their goals. 
http://www.prepody.ru/topic37766.html
https://gravatar.com/lovingbdb8707189
http://aficionado.pl/showthread.php?582 … p;p=630372
https://ufr-2020.front5.picapo.net/foru … pid=586571
http://forexam.ru/component/kunena/?fun … 815#171815
http://60.250.226.63/ipkb/viewtopic.php … ;t=1954068
http://qrfonline.qrfmag.com/qrfswap/vie … p?t=235021
http://forum.fretky.cz/info-f46/bono-bi … 75729.html
http://forum3.bandingklub.cz/viewtopic. … ;t=1692459
https://www.ww2.site/forum/viewtopic.php?t=272446
https://www.2003cs.com/thread-186221-1-1.html
http://kiteonly12.free.fr/viewtopic.php?f=6&t=51532
http://strada.bielsko.pl/1_lubelskie/fo … eal#596795
https://www.ww2.site/forum/viewtopic.php?t=75969
http://kiteonly12.free.fr/viewtopic.php … p;t=124187