As always - great tips. I've already reset the settings on my blog for comment moderation. Now I just need to figure out how to best apply some of tips.
Great advice - especially the social networks in general paragraph.
I've had several friends try some of the sites - and quickly quit in frustration because they didn't get any immediate measurable return or sales related to being there.
I use Facebook to raise awareness of my business and to make connections. And to have fun!