eBay

I'm talking about this suspiciously low priced galaxy smartphone https://www.ebay.com/itm/393463305255?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20160908105057%26meid%3D6bd6811fa081465fa8f66e315d4e811a%26pid%3D100675%26rk%3D3%26rkt%3D...

Basically I am looking at a few Geforce RTX 3090 graphics cards that are being sold from anywhere from $9-$40 dollars but then the seller turns around and charges the buyer $1000-$1800 shipping. Are they avoiding ebay fees, are they scamming. What's ...