One of the big problems while it will work in the USA it wont work in the UK because the need for postal rates, if you sell clothes it needs to have add size or other attributes, but again it is down to a trust system and as anybody knows if they have sold on ebay or amazon you have loads and loads of bad players in other words no-body can be trusted.
RE: Why has no one created a amazon like website but where you can use steem dollars and other currencies