he needs to keep the master cylender filled to the optimum level the whole time he is bleeding, don't let it drop too much, or you will get air in the lines again, if you have it overfilled when your finished, again, non optimum braking.

he can either pay to have it done, or you can help him do it. Should take about 20-30 minutes per wheel... or per side. Its been a while, i can't remember