Getting out the door is an adventure in my house. I will have the kids ready coats and all, turn my back and find Rowan shoe-less playing with his rocks. My newest hack: Use my imagination.
Car Monster starts chasing them around the house. "Hurry and get out before I eat you. Rarrr!' The floor of the car is made out of hot lava, so they need to scramble into their car seats before they melt. Now my mornings are full of giggles and squeals instead of nagging -- and we get out the door in half the time.
You are probably spending over 50 hours a year getting your kids out the door. Have some fun with it! Rarr!!