Making money online from parked domain names seems to be an unfamiliar concept to many people. The concept is simple:

You register a domain name.

Then park the domain name to a domain parking company.

The domain parking company will create a parked page for your domain. name with sponsored ads, links and search box inside the parked page. Some domain parking services even will add relevant articles and content to the parked page.

You earn ad revenue for the traffic generated by you to the parked domain. Some domain parked services will share ad revenue with you and some allow you to display your AdSense ads and keep 100% of the AdSense commission earn.

The cost for parking a domain usually less than $5 monthly. If you have domain names that left unused with existing traffic, you can start using them to make money by parking them to a domain parking company such as Godaddy.com - Cash Parking.

Another way is to buy a expired domain name comes with existing traffic. One of the important factors you should pay close attention to when looking for a expired domain name is the link popularity of the expired domain. An expired domain name with many backlinks is very likely to have a targeted traffic built in. You can find expired domain name from Godaddy domain auction, there is a section in auction where you can bid for domain names that have expired recently. A better to find profitable expired domain names is by using a paid expired domain names search tool at http://www.expiredtraffic.com.