You have to decide if it is worth it. Now, once you have acquired your domain name, you need to decide where it will finally reside. Some choices are 1. A web hosting service - Many businesses go this route. It cuts down on dial-in bandwidth and many believe that you can't be both an effective ISP and a web host at the same time.
Web hosting services on the Net vary greatly.
You can be as big or as small as you want. Virtual Ave is one of those services. They offer a lot, but you also get what you pay for. If and when servers go down you don't have a lot recourse. For the first few months I didn't have one.