1.5. Make backups. A periodic wget would be better than nothing, though I don't think it would grab the parts hosted on AWS. e-mail to posterous does backups as a side effect, but you still need to grab Disqus comments using their API.
Very good point. I write (and save) all my posts to Simplenote, so I forgot to mention this. I don't save any of my Disqus comments. Definitely do this.
