Expiring Domain Names Speculators Snap Up Domain Names

This is a strategy few people seem to know about I guess this qualifies it as a "Secret"?

Everyday someone lets a domain name expire. These sites have potential for monitization in the right hands. These expiring domains have back links and a page rank with Google. They may be listed in Yahoo, Dmoz.org (open directory) and get traffic you could use to make money.

With Expiring domains someone else has done the marketing and the link aquisition, In many cases you can get the pages that were on that domain from places line archive.org either way its a good tool in understanding your potential domain names history.

You can visit snapnames.com amongh others to find expiring domains.