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That's right, and by studying the free videos from that site, we can at least get something valuable that we can learn from. That's why I said it's very rare that we find free courses like that and I hope we can find other free video courses that can give us more knowledge. Hopefully, it can be useful for people who really want to learn about BlackJack.
You are right it is rare to see someone having effort just to release free course, I already know BlackJack but I still visit the course and find some useful information that I didn't know since the course covers not only the BlackJack but in the gambling in general too.