The buyer sends the agreed amount to the escrow service. The seller ships the merchandise. The buyer inspects the merchandise. The buyer accepts the goods and the escrow service then pays the seller. No more buying sight-unseen.
Buyers have the right to return unsatisfactory items.
Takes the worry out of buying from unknown sellers. No need to send personal information to an unfamiliar party. Mediation may be available in case of a problem. Especially useful for expensive items such as antiques or computer equipment and for transactions across the country or across the world. Added security for both parties.