trade Need PR7+ one way back links

[Mr_Kumar]

Hi,

I own a domain for which I am planning to develop a shopping site. I need PR7+ one way back links for FREE.

Please suggest ways to find some. Thanks in advance
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What can I offer is links from header of my new site Best Article, where firefox add is placed.

 

[rahmat]

I don't think you can get it easily.

 

[Mr_Kumar]

I don't think you can get it easily.

I really want them.

If I got to buy some, then how much they can cost me? Can you please give a rough idea? Will that worth purchasing for that cost?

Thanks