Can I trade a REDEEMED gift card for money?

Gift cards that have been redeemed are used and empty, even if he/she still had them (and these forums don't support pm'ing, nor is this a site for trading things) I'm not sure why you'd want used gift cards

Depends upon your country and therefore the applicable laws (you should have sold the cards instead of redeeming them if you don't want to use them) : View your credit balance on your iPhone, iPad, iPod touch, or computer - Apple Support

You can't redeem or return iTunes or Apple Music Gift Cards or unused store credit balances for cash, except as required by law. If your jurisdiction allows for refund of redeemed gift balances, you can request a refund by contacting iTunes Store Support, selecting a support category and topic, and including the following information in your request detail:

• Your Apple ID.
• The store credit refund amount.
• Your current shipping address.

Additional information might be requested for verification purposes.

Hey,

Just wondering if you still have them. You can pm me.