In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

It depends! Normally, the percentage that you can save with that Hotels.com 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 Hotels.com 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. 

Our advice for you to use Hotels.com Coupon effectively is to choose the right day.
Like thousands of other consumers, the time of promotion is when they choose to
shop at Hotels.com, so take advantage of coupons released on those days to save.

Yes. Like all other stores, Hotels.com offers a number of Cyber Monday Coupons. Don't forget to check the expiry date before making your purchase.