eXchange it
The most important single central fact about a free market is that no exchange takes place unless both parties benefit.
Milton Frieman
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Any item on " EXCHANGE IT " page is offered by people who are either selling their item(s) as "used product " or offering the Edu-Store buyers to exchange with their item(s). Goods are exchangeable as long as they are offered in good condition. Buyers are advised to purchase only after communicating with the seller, using the forms provided through the above links: