Answer:
I make a loud sound when I'm changing. When I do change I get bigger but weigh less. What am I?
By myself, I'm practically nothing. Worthless as a leader, but when I follow a group, their strength increases tenfold. What am I?
I am a popular afterlife location to send evil people
I make a living following the wealthy and beautiful.
I'm many people's favorite place even though many don't remember their stay. You'll love to come but hate to leave if you get cold use my sleeves.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.