Yes it can and does work very well in some industries, it will probably take just as much time to get up to speed and make it work as it would to just build your own sites.
If you have any experience with PPC advertising/AdWords, I can't imagine that book really has anything worthwhile to read.
The learning curve is steep, competition is intense, and you can lose lots of money very quickly. You can also make a lot once you get the hang of it but it ain't no get rich quick method.:)
but it ain't no get rich quick method.
Exactly. It's just another way of learning info.
This thread should save you some time about Google Cash:
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