I was thinking there is already a tool that tells you what keywords your competitors are using.. is there a tool to show how much per click competitors are willing to pay in return giving you a higher return from each click generated. I usually make $0.04 cents a day sometimes $0.10 cents.. but yesterday i had made $3.84 from 4 clicks! So i am somewhat intreguied.
CPC depends not only on the keywords. Google has "smart pricing" feature for estimating click price using many factors.