I go late all the time. As for rates, they don't post those online you really have to go in and talk to them about it. Sometimes they do membership specials, so it's best to just talk to them.
Yes, if you are a member you can use your card at any time. They have different plans that are cheaper with a joining fee and others that are more expensive per month but no fee.
Yes it really is accessible 24 hrs just not staffed all of those.
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