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.
As the other guys said. I mean it’s up to you really who you purchase from depending on the items that you like. But I’m also gonna add GodsConnect and MJ Concentrates as you can trust them too along with the other vendors that have already been mentioned by Westy8 and puffman.