Leave the President's family business to him. You will have plenty to do without trying to manage the First Family. They are likely to do fine without your help. ↗
Many people around the President have sizeable egos before entering government, some with good reason. Their new positions will do little to moderate their egos. ↗
Visit with your predecessors from previous Administrations. They know the ropes and can help you see around some corners. Try to make original mistakes, rather than needlessly repeating theirs. ↗
I've always loved movies, since I was a little kid, but I never wanted to be part of that industry. It always seemed horrifying, the way films were made. ↗