flipping your domain name

[ejapan office]

Just as house flipping was a popular industry until the recent
economic crisis, domain flipping is a multi-billion dollar industry
online now. However, the advantage of domains is that they are always
in demand and there are multiple ways to profit. How you go about
flipping your domain will usually determine your profit.

please read more here
http://www.jpstream.net/articles//articles/2423/1/flipping-your-domain-name/Page1.html