I really don't have much to add, your post just looked a little lonely out there!
Actually #3: Every time I see that "Re,Re,Re" I think of Aretha Franklin and want to burst into song. Not sure what causes that to come up, but it takes time to erase all that crap.
And #4: We use the subject line on every message. That way the providers can scan for priority messages, and know what can wait til more time.