In general, this is considered a “sucker's bet,” and you should pretty much never take insurance when playing Blackjack for real money.
https://my-mobile.eu/viewtopic.php?t=63435
https://my-mobile.eu/viewtopic.php?t=2523
https://mliia.com/thread-351877-1-1.html
http://www.lada-xray.net/showthread.php?p=275419#post275419
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=504472
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http://vortex.mx.free.fr/forum/viewtopic.php?f=38&t=14257&sid=0684a3377d8c4e7d100621b55aeb8c2e
https://talkingpoints.org/subx/showthread.php?tid=115545
http://60.250.226.63/ipkb/viewtopic.php?f=41&t=1991560
https://www.ww2.site/forum/viewtopic.php?p=611189#p611189
http://1.s.2.free.fr/viewtopic.php?f=18&t=546348
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