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Kyle,

What I am referring to is a bunch of unrelated sites that wouldn't be linked directly to each other but all 5 of them linked from the same higher PR sites.  Lets say there are 10 PR7 sites that I know of that will let me post a few links. Would I be better suited post 2 links to each of my five sites (1 per PR7 domain) or put all 5 links on all 10 sites.

What are your thoughts on this? Thanks!

If I have lets say 5 sites and I am able to negotiate a link on a highly ranking site for all five of them together would there be potential for penalty for linking them together on other sites as well?