Open Question: Best, cheap camping grounds in Big Bear?

We would be arriving on 9/29 and leaving 10/4, and we'd be driving a van (NOT an RV); we'd probably sleep inside the car, but we can also use tents (I don't know if that even makes a difference lol).

I know that Hanna Flat is a really good one, but since we're staying there for 5 days, it would be about $125, so anything cheaper than that would be appreciated. Shmannnnks :)

Source:
http://answers.yahoo.com/question/index?qid=20110919215656AAcoHyZ

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