I just got the email for a new promo which sounds really promising.
Wyndham Rewards members can earn 7,500 bonus points per stay by paying with Masterpass online or through the Wyndham Rewards app. After two stays, you can earn 15,000 bonus points—enough for up to one free night!*
Book by August 31, 2018 and complete your qualified stay(s) by September 1, 2018.