Trying to understand the why and wiifm of running, and querying only your own personal relay.

How many of these are real?

1. Save/backup your own posts

2. Cut spam (WoT protection)

3. Save bandwidth in your client device (fewer concurrent connections)

4. Protect privacy (not leak IP address to untrusted public relays, not leak NIP-04 messages)

5. ...

What have I missed?