The vast majority of people think of budgeting for groceries and bankroll management as two distinct fields. They are not. The thought processes that lead to overspending at a supermarket, keeping track of the unit cost, establishing hard spending limits, avoiding impulse purchases, and so on, are the same ones that a player will use at a blackjack table where he doesn’t have to pay stakes. That kind of thinking is present in other hobbies, too: Craft beer, for instance, with those curious