Complex sentence: Bowie himself invested over US $10m of his own money to help fund the tour, and he paid US $1m a week to maintain a staff of 150 people to maintain and build the three sets as the tour moved around the world.
Split into simpler sentences: Bowie himself invested over US $10m of his own money to help fund the tour. Bowie paid US $1m a week to maintain a staff of 150 people to maintain and build the three sets as the tour moved around the world.