BJ Professional Player, H'mmm.
You can make money playing BJ. if you are a card counter. You will get up to 1 or 2% advantage over the house _ if you don't make any mistakes and the casino allows you to do so. However it is a very tiresome work as you have to watch every card and count every card. It takes the enjoyment out of the game and is not for the recreational player
Actually the only people who make money from BJ are those people who write books about it and advertise for the online casinos. It is the same as the historic California Gold Rush where the only people who got rich are the ones that sold the spades and shovels to the gold diggers.
Now here comes the CSM (continuous shuffingly machine). You cannot count cards against the CSM. The startling fact is that if you sea of high or low cards and expect the CSM to have a reservior of opposite cards, you would be wrong. The same busted and surrended cards in the early hands could reappear futher down in the later hands in the same round. I am not talking about the other 4 or 5 identical cards in the 5 or 6 packs in the CSM.
If you are playing anywhere outside the US the CSM is the only game for you. The US seems to hold on the shoe game but for how long long. With their obsession to productivity (CSM has non stop play) and latest technology usage, the CSM may also be soon be a thing of the past.
The technology is now in place for the "Mindplay" BJ table. It is now legal for use in Nevada and I think it will kill the game of BJ. The casino can set the house advantage at will just like the jackpot machine. Maybe the jackport players will play BJ. The intermediate technology which is presently being used in the Wynn casino is the RFID chip. It can tell the casino how much you bet every single time and whether you have won or lost. Their computer can figure out the rest of the information that they want about you.
Now back to your qusestion about Professional BJ Players. I would recommend that you read
http://www.wizardofodd.com ten commandments and pay particular attention to commandment No 2 and 5. Theoretically the casino house advantage in BJ is about .5% but the Las Vegas casinos calculate their actual house advantage at 2% and comp the players about one third of this. I myself think this is far too conservative. You just have to see how some players are throwing their money at the casinos. I have seen some players double 16 againstt 10 and split their 10 and the same person refuse to split their 8, etc. According to The Wizard of Ords if you don't split and double down when you should it would cost you an extra 2% already.
So after reading this you still want to be a Professional BJ player it is your free choice.