Free: Contests & Raffles.
Absolutely, definately, and mandatorily, bring chains.
Hell, I take chains to the east side, even in October! You never know what the pass is going to be like. (no, not little Snoqualmi) When you see the camp trailer in the mirror going down the road nearly sideways, you wish you'd have thrown on a trail chain. -Steve
Going to be lots of snow this year. Regardless of when you go, you'll see deer and have a blast.