https://www.eneba.com/us/xbox-xbox-live-gold-3-month-xbox-live-key-global?
- Click Buy Now here
- Go to cart
- Add 4 units for 12 months (2 for 6 months, 6 for 18 and etc.)
- Select payment method (Service fees will be applied here)
- Apply discount code: XLG3Prime
- Proceed to checkout
- Total will be ~ $24.10