Answer:
The ring saves his life. He uses it to gain invisibility during the worst of the fighting, when others are injured or killed.
- The ring puts him in danger. Once it's power is discovered, many forces will do anything to get it.
-The ring saves everyone. Bilbo trades it to Smaug in exchange for safety, allowing the dwarves to flee the woods unharmed.
- The ring makes him wealthy. Once Smaug's treasure has been collected, Bilbo trades the ring for treasure
