Answer:
What runs but never walks has a mouth but never talks has a head but never weeps has a bed but never sleeps?
I start with an E end with an E and have a letter in me.
A move made popular by the King of Pop.
I help engines spin and pants stay up.
I can wake you up in the morning but I require no electricity or winding.
I am free the first time and second time but the third time is going to cost you money.