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If you have an old electronic device, you can trade it in and receive the trade-in value on a Costco gift card, also known as a Costco Shop Card. To cash in, go to Costco’s trade-in page and click the “Get Started Now” button. When you do, you will be taken to a website run by trade-in services company Phobio. There you can select the make, model and other details of your electronic item…
