Hi. If you are selling authentic, legitimate, items, aquired from an authorized dealer, or a liquidator, you can resell that item and you are covered by 'first right of sale'.
Where most people run into a problem is that they are buying '7 star or mirror copies' of a brand and reselling them. This is against both copyright and trademark laws.
It's a fact that most of the major designers have their products manufactured in china and the far east. However just because you buy that item from a manufactuor in china, and it has all the right tags, materials and markings does not make it an authentic,or legitimet item.
Generally what happens is a company such as Ralph Lauren, places an order for 500,000 polo shirts. The chinese factory will produce probably say 600,000 of these shirts. Then ship the 500,000 to ralph lauren for distribution to it's stores and licensed retailers. Then they will sell through websites, the other 100,000 to people like you and me, for about 8 to 12 dollars per shirt. And they will make more money selling the bootlegged shirts than they will on the 'authorized' 500,000. Ralph Lauren paid about a single dollar per shirt.. Nike tennis shoes, at 50 cents per pair...
This is what they are trying to stop.Bootlegged goods. If you can show that you purchased an legitimate polo shirt, lets say, from a liquidator, who bought all of Macy's unsold stock, they are not going to bother you.You are no the people they are trying to stop. They are after the guy who is buying them from 'Charlie Chan's Wholesale Website' and selling them at flee markets and ebay...