Online purchases & card info?

So this guy I used to talk to he's selling merch like sweatshirts, phone cases, masks and everything & he has his own brand & website and stuff so, he sent me some pics and so I was like sure, why not I’ll support. I spent about $20, just to support him. Everything seemed legit. I got my ordering number, the gps thing , like the confirmation email thing, it showed what I purchased and my address and all that. Just like any other clothing website or whenever you order online. seems good. But I’m just curious since it’s not like a big company and it’s his Personal website does he see my card information? Or any of my personal info as far as that? Not sure why I’m paranoid... but does he?
Online purchases & card info?
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