If they are static sites and mostly text, they could be hosted directly out of freaking S3 for a pittance. There is no way a service this niche and this intentionally minimal consumes enough bandwidth to make that painful.
We are talking about ensuring that the content doesn't go away, not keeping the service writable.
Yes, I am serious. My email is in my profile. I would gladly take this on.
Perhaps in the future be less insulting and make fewer assumptions.