IMPOSSIBLE QUESTION:
85% of all people say they hate it when their neighbor does this; what is it?

Most would agree that its inconsiderate

It’s probably most annoying when this is done early in the morning or when you are sleeping  

ANSWER:
85% of all people say they hate it when their neighbor revs their engine early in the morning!

Congratulations to Dawn Angelico of Richmond, IN for being the first to correctly answer the Impossible Question!