THE BEST OF IT reveals the vulnerable tightrope a professional gambler must walk if he so chooses sports betting as a profession. There are no paid vacations or 401k. There's always the danger of being stiffed when betting on credit, or a losing streak that eats up that month's rent. There's even the problem of being too successful and having your betting limits reduced or worse yet being kicked out of a sportsbook. A gambler needs as many outs as he can find; the more betting outlets allows the gambler to shop for a better price.