Here is the Latest goDaddy Promo code I have. I recently used it and still working.
cjc749chp 7.49$ .Com domain registration
cjcchp10 Save 10% off your order
cjcchp20 Save 20% off hosting
cjcchp30 Save 5$ off your order 30$ or more
cjcchp50 Save 10$ off your order 50$ or more
cjcchp75 Save 15% off your order 75$ or more
If you have some valid promo codes you can post it here, it might help other guys around.