I’ve been using WordPress to power my niche sites for over 2 years now. Regardless of the affiliate marketing business model (review sites, , etc.). From time to time I’m asked why. I just recorded a video to answer that question. I was able to install WordPress, upload a custom theme via FTP, and change the default theme with my custom WordPress theme in less than 4 minutes.
I recorded this video for my upcoming Niche Stores Unleashed presentation at Jeff Mills which will be held locally (near St. Paul, Minnesota). If your near the Twin Cities come on down and check it out. The Boost Seminar is 100% free. It’s put on by Jeff Mills of Midwest Super Conference fame so he knows how to put on a good seminar!
If you’re not local Jeff will streaming the Boost Seminar live so stay tuned for that! Come check me out at my very first public speaking event. 
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Alan,
That’s pretty sweet…what plugins are you using and how do you drive traffic?
Also, where did you get that theme…
Thanks