Carl, remember this SIMPLE information:
Be there when the parks open, use FASTPASS, and go on the ride you want to see most (such as Splash Mountain, Space Mountain, Big Thunder Mountain) FIRST THING. Then go on the next ride, then get a FASTPASS, etc.
LEAVE THE PARK at about 1 pm when it starts to get busy (you'll have been there three or four hours depending upon opening time). Go back to your hotel and take a break.
Go back around four o'clock--after the afternoon parade is over. Lots of people leave then.
Disney is a great place and, as a magician, I would think you would approach it with enjoyment.