Of course not, most coupons may be used only by you when you received them directly from Udacity. As the Udacity coupon includes your User ID, it cannot be resold or transferred in any way.

Normally, one discount code is only applied for one offer. However, If the users put a vast of items in their cart, it is easy to use one coupon code to purchase items. It depends on Udacity's policy, you can contact Udacity via mail for your reference.

It depends! Normally, the percentage that you can save with that Udacity Coupon will be shown right on the page, so you can see if it is applied sitewide or not. However, once you are not sure, try it right on their's products you want to buy.

Yes. Coupons for each Discount Event of Udacity will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

There are now 11S offers on our site and Udacity Coupon Codes usually end in 3-4 days. However, some Udacity Deals don't have a definite end date, so it's possible that the code will be working until the store runs out of inventory for the promotional item.

It is hard to see a Sitewide Discount of 50% from Udacity on normal days. It's easier for you to shop on federal holidays or important days of the year. New Year’s Day, Thanksgiving, Christmas, Military Day...are recommended.