Answer:
I am very easy to get into,but it is hard to get out of me. What am I?
I am longer than a decade and shorter than a millennium
I am a rock group that has 4 members, all of whom are dead, one of which was assassinated. What am I?
I make billions of dollars selling windows. Who am I?
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.
It's what light turns into in the night