Why not 'wikipedia' wikipedia... and then change the page?

You don't need anything. Once you open the edit page, you simply type your contribution.

I'd ask a question here if i wanted opinions. I'd surf the net or ask an expert if i wanted fact.

That depends on what the article is about, like if it is a joke that may hurt someone take the statement off. If it is about something not too important like a movie it doesn't matter too much...

www.encyclopediadramatica.com is full of great info!

Templates are used for repeating data across pages. A template like the one you described could be used to display biographical information on a person. If you have a box that you want to use acros...

It's like the island on Lost, or Gilligan's Island, for that matter. You can check out any time you like, but you can never leave.

Anything listed on ...

They're quite literally asking for trouble. They shall find what they seek.