99 Cent domains from GoDaddy

I have this add in my Google Apps mail all the time for $.99 domains from GoDaddy. Sure, it's GoDaddy, but it's also dirt cheap. It doesn't seem to be limited in terms of how many times I can use it. Here's the link: http://www.godaddy.com/domains/search-dus.aspx?isc=gofac122