Answer:
I have rivers without water. Forests without trees. Mountains without rocks. Towns without houses.
They belong to me; they belong to you; They can make you feel happy or make you feel blue; They never end until the day you do.
What is long and slim, works in light. Has but one eye, and an awful bite?
It doesn't live within a house, nor does it live without. Most will use it when they come in, and again when they go out.
What is full of holes but still holds water
If you can get this professional's attention you can get where you need to go for a price.