There are open source (FREE) shopping carts
and FREE basic template designs available all over the web.
I've used FREE versions of Zen Cart and OSCmax in the past for my website.
I went back to html and simple cart buttons as the above types rely on a data base and
when the data base went down, I decide to go BACK to the KISS method.
This is assuming you want customers to have the ability to purchased from you online.
If your just looking for more of an informational page, that is a snap to do as well.
With all, you would need a domain name and a place to host your pages.
I use Yahoo small Biz services and Card Services Intl. is my cc processor.
Been selling online full time, since 1999.