If u still have the receipt they might be able to do a refund but if it was purchased with a debit or credit card they will put the money back in the card you used to boght it.
No. Gift cards are not returnable. There are places that will buy unused gift cards (for a discounted price though).
I think as long as you have the receipt and if there's a pin section it cannot be scratched off, store credit likely
No
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