This will probably work best for cheap stays, since you'll be missing out on cashback that you can earn when booking on the website. (dannydealguru.com)
But if you're going for a free night, than you could look for 2 cheap stays nearby in order to get a night at one of their best properties. (dannydealguru.com)
For a last minute cheap stay it worked but it definitely encouraged me to spend more money elsewhere next time. (heidisinnilwaco.com)