1) It's ok to place the ad under post title? I think it's ok since many publishers are doing it now.. 2) I'm confused on this. Let's say I have a loan site, logically my adsense cpc is higher right? But is the cpc will still remain high when I drive traffic from social network? I think what those guru did is they target keyword and rank the site with seo, so the earning worth due to the higher cpc.. correct me if I wrong..
you are right. if someone visits your site from google and clicks your ad then it gives you much more than referral visitors clicks like facebook. but still facebook, twitter etc are good source of traffic and revenue.
I go to a forex blog for example, I still seeing the same ad that I saw on somewhere else.. mean google only display ad base on what people search..