Stash Hotel Rewards launched a flash sale for stays at select hotels in their portfolio. The savings go as high as 40% along with double points. The discount and bonus points do vary by participating hotel.
Up to 40% off and double Stash Rewards points for stays at select hotels in the U.S. and Mexico. Full details & online booking. Book by Nov 18, 19
Here is an example of the hotels participating and their offers: