Recommend me Keyword Research Service ??

Hello,

I'm new here and looking forward some cash. So, I decided to buy some authority site like (Amazon & Adsense). So, 1 step I'm looking forward to seeing some nice guy for keyword research.

Lots of threads... Finally, I choose 3 guys ardely, ramanan & nihalsad.

From customer reviews - ardely keyword research very very easy to rank and profitable keywords.
And then, from customer review - ramanan keyword research unique some stats report and some easy adsense keywords & interesting LSI keywords.
Finally, customer review - nihalsad keyword research some interesting keywords.

So, I'm confuse which one is best??. Can you please suggest me members?? Please share your thoughts on here.

Note: I don't know. Am I post correct section. If wrong, Please move correct section.

Please advice me for keyword research serrvice..

Well not personally used. But Got a Free Review while ago from user (ramanan), So he is Good at keywords research: http://www.blackhatworld.com/blackh...nse-super-actionable-keywords-starts-5-a.html

Thanks for your feedback mate.