I used Wimdu to rent a room for a few days which easily saved me hundreds of dollars. Even the backpackers in DC were charging $300 a night or even more in some cases... The trip from the northern suburbs of DC were I stayed didn't take more than 30 minutes.
After the inauguration, I got to explore the city and check out some of the great museums in the area, along with going on a congressional tour at the Library of Congress. I thoroughly enjoyed my VIP budget trip to DC, even if only for a few days.