You'll need to be able to prove the income from the site as well as the costs to run it... and the stats showing the traffic numbers are correct.
THEN you can deal about selling it to someone. No proof? No sale on a site more than a few bucks.

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3-5k?? And what is it you took this morning?! Must be nice to be able to toss out numbers like you have spare cash for no proof on a sites income etc.
