Please let me give you some examples of what i call linkspun bad trades.
1. Many outgoing links:
The following page has 348 outgoing links. It means you receive a non significant portion of google juice. If you got let's say 10 links on your page and even if the PR is the same as your partner page pagerank, you send much more google juice as compared to the partner page.
wwwDOThusbandwatchingwifeDOTcom
2. keywords stuffing:
At the bottom of the following page, you will see many outgoing links in the footer as a paragraph text with no list.
wwwDOTporn2videosDOTcom
3. sitewide links:
I received sitewide links and in webmaster tools, at one point i witnessed a drop in traffic when the number of incoming links was updated. Actually i received 3000 links from the same domain each time the list of incoming links was updated. At one point, Google removed those spammy websites from the ingoing links of webmaster tools.
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in other words, be cautious
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