You can still park on the north frontage road by city market or passed the fire house in west vail and hop the bus for free. 1 hour early is plenty for first chair. Vail definitely has more terrain open that BC or keystone. Game creek and chair 11 should be open by Saturday too.
You can just park in the City Market lot all day? How many spots are there/does it fill up quickly on weekdays at all?
How often does the bus come btw?
Granted if I decide to take you up on your tent offer none of that will be necessary ... but I may have to spend some time exploring Vail and Breck for the "secret" spots since I like being able to run to my car if needed.