New forum is it worth it ?

I'm thinking of creating a local forum site a project for my spare time and build on it over time to do more but I have so worries.

1. Do people still bother with forums outside the big owns could I get members ?
2. Would I be just wasting my time and money ?
3. Would it need a lot of investment ?
4. Would it need a lot of seo and money unlike in the past?
5. would It be best to stay with a basic forum and not over do it ?
6. if you think its worth a go what would be a good software to…

New forum is it worth it ?