If your site is listed in the Yahoo directory, and you didn’t pay for it or you got in back before they charged the review fee, then IMO you leave it alone. Make no changes and enjoy the free ride. I have two Yahoo directory links for two of my sites, both grandfathered because they are ancient. If I was asked by Yahoo to start paying for those two, I’d probably drop them both. On the other hand, there are instances where I do recommend paying the review fee. A new site in a very competitive topic may want to pay, because commercial sites already listed in the Yahoo Directory to can then also receive enhanced placement (for another fee) in certain commercial categories in the directory. Read more about the Yahoo Sponsored Listing options here. FYI, tried this program out a few years ago and in my case chose to stop after three months.
-Eric
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