Link: Link Worth Calculator - Text Link Ads. This is a splendid little tool. Basically you put in your URL, the category of the page, the number of text links you want to sell, and the position of the link, and this resource comes back and tells you how much you could expect to get for the link. This is worked out by looking at your traffic, inbound links, theme and so on. It's very helpful if you're considering selling links on your site.