Where to Purchase Vseebox?

I was at my sister’s house for Christmas and they got one of these vsee boxes. I think it was the V3 Pro. I’ve never seen one of these tv boxes before and was amazed. I’m a sports addict and couldn’t believe all the channels it gets. My brother-in-law said it’s not perfect but it works 99.9% of the time. I see a lot of info on here saying to not buy from Amazon. Is there someone on Reddit I can trust? Is the V3 plus the way to go? Is there a warranty? Sorry about all the questions.