If you pay $5/month for 1 year, your posts will be archived forever.
> If we can't charge your card, your site goes into read only mode. Even if something catastrophic happens, your content will remain online.
The only correct answer to the question is (a) legal deposit with a national library (many take e-deposits these days, so you might not have to print it) or (b) print it on good paper or write it on a good cd and hope for the best
There is of course the silent other half of your question … does anyone really care about your accumulated life history that much ? sure your immediate family might, for a while, but one the bereavement period is over ?