Yes
No problem
Yes. I have also brought in a bottle of Gatorade they don't really have an issue with it.
I wouldn't recommend it because a couple of the roller coasters don't allow you to bring anything on the ride. Steel Vengence is one of them. You can bring your phone, but that's about it. Lockers are not always available.
Yes. Each person may also have one (sealed) bottled water.
No I don't think so
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