Concert work can be very lucrative but they don't come that often. Being in a hit show guarantees you weekly salary. For those who have agents and managers, which are all of them, chop 25% off the top for commissions. Take off about 30-40% for taxes. Then there are makeup artists, music directors, arrangers, costumes, lawyers, accountants, PR, etc. The money disappears fast. She is a talented woman.