I booked a trip out of BWI this summer, usually fly out of Pittsburgh, Southwest prices where half of prices in Pittsburgh. I usually park off site, much cheaper, looking for some off site parking ideas in BWI area. Flying out on Sunday and back on Thursday late so I will need a hotel. I plan on looking for deals on Hotwire just do not feel I can park at a hotel on Sunday and not stay till Thursday without paying? any ideas? No hotel on Sunday needed