BookIt offers 7-Night Stays for Two at the All-Inclusive Paradisus Cancun Resort in Cancun, Mexico, with prices starting at $3,183 via coupon code "1X100", as provided by Dunhill Travel. (It's the top offer on the page; we found this rate on October 23.) At $455 per night, that's the lowest price we could find for this package by $100.