I am sure there will be people that make money on the advice that's given. And I am sure most of the advice is valid. The question is: is it really worth $1000? Maybe you could have saved that $1000 and done these optimizations yourself (they seem pretty straightforward and you can find thousands of articles about retainer fees and fixed bids if you just search Google). I.e. maybe he is not selling anything extraordinary or "secret", it's just common sense packaged at a ridiculous price?