I do use Tarsnap for this reason. That said, Tarsnap isn't free software, and doesn't come with the ability for me to self-host backups. Thus, I am somewhat a

I do use Tarsnap for this reason. That said, Tarsnap isn't free software, and doesn't come with the ability for me to self-host backups. Thus, I am somewhat at the mercy of Amazon. Still, the advantages of Tarsnap currently outweigh the disadvantages in my opinion.