If you’re in Facebook n you’re in cue group(s), then you know how many post I did on them scammers lol. It’s actually very simple, buy from reputable sellers. Else, use reputable seller as escrow service.People in business can only go so much 'checking' so to speak. They're too busy doing whatever it is they do, if they're any good at it.
I've been self employed for over 30 years and there's only so many hours in a day and so much you can pack into them. You're usually behind and scrambling, or should be.Doesn't leave much time for policing. You just hope you get word if something's amiss. Or pay out the ass for Norton or similar service.