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An exclusive Slickdeals promotion valid for the next three days where you can save an additional $ 50 when you book 4+ nights on hotels. Usually excludes brand-name hotels but try it anyway.

Expedia [expedia.com]
Promotional Code: SLICKDEALS50OFF
Book by August 25, 2019

I tested it on a random, non-branded hotel for 4 nights and it worked.