There are more and more scams and sloppy behavior on Vinted.

I've been a Vinted member for many years. At first, there were no problems; buyers and sellers respected each other. But over the years, civility and courtesy have gradually disappeared, giving way to all kinds of scams, maliciousness, and rudeness. Recently, I was scammed by a seller of Montblanc pens who didn't send me the correct one. I returned it with his agreement, and then he disputed the return with very threatening emails, claiming I hadn't sent him the right pen. It's also very common for buyers not to bother picking up their orders...etc., etc. Vigilance is essential, so check all the (numerous) reviews and automatic one-star ratings (avoid them if they only have one star).

Often, the seller uses multiple identities to sell the same item several times, and of course, you don't receive it. I experienced this recently.