Build your own.
Buy complete websites.
That is an interesting point. I wonder if a wordpress site would make the same amount without a theme as with.
Just use the one you get.
If content is really king you might rank high. But as far as $.
In order to do a proper test you would need two like sites promoted the same way.
I feel that would be hard to do, because domain name would be different and content would have to be also.
A good example of a static website that has been redesigned with a wordpress backend and theme is the TopBits site.
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