Here is a link to the promotion.
https://www.thankyou.com/cms/thankyouRequires a Citi credit card or account.
Can be used multiple times and on multiple 2 night reservations at a time.
Each 2 night reservation gets 50 off.
Warning- Site can be a little slow at times.
Anyone who live in a cheap area can take advantage of this for 365 days.
In thiland, I booked 2 rooms for 2 nights
Cost per room was $57.79 USD
"Promotional Code Applied:
citi50
0 Points
-$100.00 USD
Total ThankYou Points : 0 Points
Transaction Fee: $0.00
Total Cash Payment: $15.58"
Another booking was 2 rooms at 60 dollar hotel for two nights
Total was 246
Discount was 100
Final came out to 146.
Happy hunting.