Answer:
I cannot be bought cannot be sold even if Iβm sometimes made of gold.
I am an instrument that you can hear but cannot see or touch. What am I?
Travel a mile and I will change, travel a million and I will end as I started. What am I?
Why did the computer keep sneezing?
When you need me, you must find me. When you find me, you no longer need me. What am I?
I flow from the Homerβs mouth when he sees doughnuts.