more important than the bank roll aspect of moving up, is the mental aspect of moving up.

ARe you emotionally prepared to drop more money per buyin lost? You can drop 10 buyins at the lower level and feel fine becuase you trust ur game and ur self. If you moved up a level when you drop those 10 buyins, its that much more money. Wil you be ready? Playing with scared money isnt dependant on how big ur bank roll is. You play scared when you are afraid of losing 10 dollars instead of five dollars. That is independant of bankroll. At the end of the day if you see that u have dropped 50 dollars instead of 25, will ur stomache be able to handle it? If not, your not ready to move up regardless of your bankroll.

Do you turst your game, and ur emotional makeup?