Less popular keywords may be the best choice for search campaigns

[mandy]

Retailers should look beyond popular category terms when attempting to increase the visibility of keywords, says Scot Wingo, president of ChannelAdvisor Corp., a company that helps retailers sell through multiple channels.

Popular terms such as “plasma TV” may attract more hits but they’re also more expensive, Wingo says. By selecting a product-specific term, such as a Pioneer Elite Plasma 200, the retailer may get fewer searches. But those who do search using the product-specific term are “pretty interested in that particular model,” he says...

full article: http://www.internetretailer.com/dailyNews.asp?id=20328

[accentnepal]

If you are talking adwords then a really important thing to do is to list negative keywords - anything you can think of that searches for your main keywords would be looking for  that you do not have, and therefor do not want to pay to get them to your site. An example would be an Apple Computer seller minusing "fruit".

What I thought this topic was about is what has been called the "Long Tail" - the vast niche markets that the Internet opens up. If you sell goldfish exercise equiptment there probably is not enough people in your area to support a business selling it. :'( But with the vast reach of the internet there may be enough people around the world interested in stronger goldfish where you could make a nice living. (Shipping costs would not be too much either)