Many small businesses don't have room in their budgets to hire a full-time IT employee, so when their systems go on the fritz, they'll usually call a computer-savvy friend or family member. If you are tech savvy and have experience working on computers and networks, you can eliminate their need to call in a favor by offering immediate remote technical assistance.
The internet changes so fast that one year online equals about five years in the real world. But the principles of how to start and grow a successful online business haven't changed at all. If you're just starting a small business online, stick to this sequence. If you've been online awhile, do a quick review and see if there's a step you're neglecting, or never got around to doing in the first place. You can't go wrong with the basics.