$1 Rooms at Public Chicago

The Deal: Get a room at the Public Chicago hotel for $1
How: Sign up with your email at the hotel's website and await a priority notification alerting you to the on-sale date.
When: The hotel's says "soon," and once you get the email you'll have 48 hours to book.
Caveat: The hotel offers only three rooms at the $1 rate per night during a 90-day period.