The article defines bankroll as "the amount of money you could lose gambling without having drastic implications on your lifestyle."
This is misleading. It's not only "could" lose. It's "could and be willing to lose." Bob alludes to this later in the column by saying that if losing $1000 is psychologically impossible for you then don't gamble. But that's not enough. If you are not WILLING to lose that $12,000, $30,000, $100,000 (or whatever) risk of ruin bankroll that the games you play require, then you also should not gamble. Unless you acknowledge that you are simply gambling for recreation.
I think the truth is that many of us THINK we have enough bankroll to be advantage players because we may have significant net worths and COULD lose the amounts required without ruining our lifestyles. That doesn't satisfy the second requirement. Are you willing to lose it? Could you lose the equivalent of a new SUV without jumping in front of one afterwards? I couldn't and that's why I classify myself as a recreational player.
I have seen posts from people who are playing high stakes and who proclaim they have more than adequate bankroll to cover their games. Consider this situation: Standard FP Jacks, $5 denomination ($25 per hand), 1% cashback (pretty difficult to get these days) and perfect play. To be REALLY safe as is claimed I will use risk of ruin of 1 percent. The required bankroll is $181,000. Want a less conservative ROR? Even at 5% the bankroll is $118,000. The numbers are much higher if you are playing the more common .67% cashback or multiline. Even if you have a coupla hundred thousand to lose, are you actually going to continue playing as you approach a six figure loss? That's a hell of a lot of coupons to clip. Truth is that no one knows without actually being there. That's why I think there is much more subjectivity to "bankroll requirements" than some allege.
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I am a recreational player. I play the best opportunity I can and always the best game that I know how to play. In one way or another I figure out how to extract as much value from my play as possible. The enlightened play of video poker lets me take more value from the casino than the casino takes from me. Perhaps you should list that as one of the reasons to play video poker?