So far I've owned somewhere around 5 sites, not including the free website hosting services (would be around 10 or so).
One of them actually had a slight community growing, which is surprising now that I think of it, considering what it was based on.
I created 2 or 3 other websites using the same account/host that got nowhere. They were just pointless ambitions that I didn't even try to build.
I then canceled the account, a few years later I tried again but ended up the same as the last.
I'm actually thinking of starting up another website, this time only as a personal site, not meant for a community. That'd only work if I ever get back on track with my computer science degree at college and learn a programming language other than Java. Or become a writer or something.