Get your own domain is a big step for any online business. It changes the way people work together. Some areas for personal reasons, however, most people use them as a way to make money. There are many clever ways to make money with the help of a domain, and most are very profitable.
Some people choose to look at areas as a kind of stock market. They buy areas where they are cheap and then sell them when they are high, usually business owners. This seems simple enough, but there is much more work for him it sounds like.