Answer:
I make a living following the wealthy and beautiful.
What goes through cities and fields but never moves?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?
Two in a whole and four in a pair. Six in a trio you see. Eight's a quartet but what you must get is the name that fits just one of me.
I am a delicious way of representing data.
What is the middle of water but is not an island?