Costco_doesitagain on Instagram: "Hey, @costco member, are you wondering what to do with your old smartphones, macs, PCs, and smart fitness gear? Trade them in with Costco online, and you’ll receive a Costco Shop Card to use any way you want! Spend it on new and improved electronics, everyday groceries, or stock up on holiday supplies like decorations, gifts, and big family meals. Get a head start on holiday planning with Costco, and turn your old tech into new savings available in the US and in