general computer
I have literal decades of experience working with computers, hardware and software, both as a paid professional and a hobbyist. I've made a living at it for much of that time, including the last five and a half years.
More importantly, I have a lot of experience educating users at all levels of experience. When I sold computers for a time, the District Manager of the retail chain I worked for said I was the only person he had ever hired that knew a lot about computers, but could still sell them. Again, this was based on my being able to meet people at their level, rather than try to impress them with how much I knew.
Also, the computers I sold came with a money-back guarantee, which also meant me potentially losing my commission. So, I got REALLY good at helping people overcome difficulties to accomplish what they wanted, in terms they could understand.
What this means to you is: chances are, if you need to do almost anything with a computer (including building your own from parts), I can probably help you do it.
HTML
I have a lot of experience with HTML (over five years managing two Federal Government web sites). More importantly, I really LIKE HTML! I think it's one of the coolest technologies ever.
For instance, if you have a computer, it's almost certain that you have everything you need to start learning. HTML coding can be done with a simple text editor (such as Notepad), and you use your web browser to see what your pages look like.
Yes, there are tools such as Microsoft Front Page and Adobe Dreamweaver available, and, if you'll take my approach of starting with the basics, you will be able to use those tools more effectively later.
Another thing that's neat about HTML is how far you can go with it. Over the years, new technologies like Cascading Style Sheets (CSS) have emerged that make your pages look better and even easier to create and maintain.
networking (computer)
I am CompTIA Network+ certified, which shows that I have a comprehensive knowledge of networking. I have an extensive, wired network at home, which I installed myself. It consists of five computers plus a computer serving as a "firewall", as well as a router, a remote hub, and DSL modem, all hooked to the Internet.
If you don't know about computer networks, the previous few sentences are likely mostly meaningless to you. That's where I come in - I can teach you a great deal about how all this works together, probably everything you need to know. On the off chance that I don't know something, I'm an expert at finding out.
I'm also familiar with wireless networks. While there are steps you should take to secure any computer network, wireless networks have their own challenges which should be addressed.