Furthermore there comes a point say when you have no chips, have had a few buyins, theres 20 minutes left, others have plenty of chips when you are going to do a lot of dough relative to your original buyin chasing marginal hands in order to have a stack post buyin period.
It takes discipline, but think about getting up and trying another night.
Baron, this is the point I was trying to make too. If you are buying 1k a time and 8 others on your table have 10k each, funded substantially by you...look at the realistic probabilities of that extra rebuy paying off for you