Costco T-Mobile: Save up to $700 When You Buy a New Apple XR, XS, or XS Max (Add a New Line)

For a limited time, buy a new Apple XR, XS, or XS Max at a Costco Warehouse at Full Retail price and save up to $700 after trade-in credit and rebate when you add a new voice line of service (new customers must activate at least 2 voice lines) and trade in a qualifying device. Tax on pre-rebate price due at sale.