we do not share your data with anyone and there are many ways to control the visibility and storage life of your data here.
but the internet is a public space and you should always assume your data could be compromised.
be smart with your password, use tor or a vpn, and use pgp for sensitive communications.
Wanna send the good shit to customers overseas? You should, because biggaz there need the good shit. And you can do it much, much easier by purchasing postage with bitcoins, use this site, it's well proven.