MY i ask you. If i want to sell my link PR7. 40US$ a month

[Thaiguy]

I am a new member. Accually i just get new domian Pr 7 from my friend.
i would like to find sponser. some little money to buy the host.
so i am quite new with web marketing. 40US$/momth for one way link with PR7 (education website). i don't care that kind of website you are. start the service have to pay 3 month in advance. it is too expensive or not. or how much is prossible. i nwwd as much as user as possible.