Answer:
How can a pants pocket be empty and still have something in it?
If you can get this professional's attention you can get where you need to go for a price.
What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
What can get you there in eco style, pushed by your legs mile after mile?
Casper was a friendly one and Demi Moore made a clay pot with one.
How did the farmer find his wife?