Vierstein:
Also, to full answer your question - Yes, I have a better system. I can't share it because of existing obligations to colleagues, but honestly I wouldn't share it even if I could. If too many people do it, it will end, and who knows if I might need it in the future.
Dedicated people may figure it out. Casino on Net is actually particularly vulnerable to my strategy (though there are a few shadier casinos which are even more vulnerable).
Tynan