Answer:
I am filled with garb the price is free. Just return what you don't need.
Kings and queens may cling to power and the jesters may have their call. I am the most common but I can rule them all. What am I?
I always go to bed with my shoes on. What am I?
I go around in circles, but always straight ahead, never complain, no matter where I am led.
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
What is always coming but never arrives?