November 28, 2018: In an effort to compete with hotel loyalty programs, online travel sites, like Expedia, are enhancing their booking sites with their own rewards programs. Some offer add on deals — incremental revenue opportunities for them — with some only available for 15 minutes after you make a firm travel booking. Some booking sites even offer as much as 10% cash back on your booking. Be sure and read the fine print on all these “so called deals.”