Is long term parking available?

Parking at the Washington airport costs from $6 per hour for Terminal Parking to $17 per day in the Economy Lot. Daily parking at the on-airport garages are $25 per day, while many off-airport locations are available for$10 per day . Reagan Airport Parking Guide: Find Cheap Rates Near DCA

Yea

Never been there yet

Yes it's off-site and then you can shuttle over