I have several domain names with traffic, all about the same basic topic, that I am considering redirecting to one domain which will be an information site and have Adsense on it. Do any of you know if Google has anything against doing something like this?
Depending on the source of that traffic, I don't think it would be too much of a problem. I have maybe five domains pointing to a site with AdSense on it - but I also have it set that only one of those domains is actually spidered and indexed in Google (so I don't mess myself up in the organics); traffic comes in on all of the domains, and it's never been a problem.
I don't do anything to drive that traffic in, though - it's just type in.