A) There's no way to verify anyone who said who has made a million. B) Ok, we just believe 100% what someone claims to be, then he/she won't share any useful tips. he won't make any money if everyone knows the secrets. C) Finally, he is gonna show everyone how to make a million (a $100 ebook). You'll have a hard time to reproduce it even everything he says is true. We all know who Bill Gates, Gerry Yang and Larry Page have made billions. The tips for making billions is free.
This sounds like traffic arbitrage to me... paying for clicks from adwords/yahoo and then sending the traffic to a page with adsense/ypn. So he's doing pretty good if his margin is 90%+.g