refusing a buyer

[collection_dubois]

I am selling an expensive 18k gold neklace. Can I refuse to sell to a buyer with no, negative or insignificant feedback ? Can I state in my listing that I reserve the right to refuse a buyer ?

[reallynicestamps]

A buyer cannot get negative feedback. Only a seller.

If you use the Auction format you can cancel any bid without explanation, before the bidding ends.

And you can refuse any Best Offers.

But you cannot cancel a purchase, whether it is a Fixed Price sales, an Auction win, an accepted Best Offer, or a Buy It Now option on an Auction.

You can add Signature Confirmation to any shipment- even those under the $750 demanded by eBay. Note that this drives Americans crazy for some reason. 

SC, sold to the customer as being for their further protection, discourages some scammers who don't want any in person interaction with shippers.

[collection_dubois]

I understand that a buyer can not (anymore) receive a negative feedback, I should have use "individual" instead. I do not intend to complete a sale or send an expansive piece of jewelry to a buyer with a negative feedback as a seller or an individual who buys or sell cheap junk or one with a non residential addressss...