Another google question

Three sites relating to three towns in Colorado that have gaming.

I have another site that covers all the towns

I have another forum relating to them.

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The forum took off, I added a portal (so it’s an info site, too) now I have lots of members, messages, etc…. now I want to capture all my traffic from the other sites (they all rank well).

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Question: a redirect on all sites would be bad right?

Question: what about a CAREFULLY written keyword page with ONE outbound link to my forum site?

I am trying to get away from managing 5 separate site, plus I think google thinks I’m up to something with my links…

any help appreciated.

Best,
Bernie