Not sure what you mean about money estimates.
IMO, freerepublic doesn’t have but a small fraction of the ad revenue potential of Drudge on a CPM basis — to niche and partison in appeal. Drudge’s lure for advertisers is that he walks the line and behaves much more like a traditional news site than a “fan forum.”
Besides, his ad postions are parts of much larger multi-site ad networks. He’s just brokering off eyeballs.
It had estimates of the wage/income of site visitors.