People can answer financial questions about what happened in the past. No one knows what will happen in the future.
make an account then click most recent questions and there you go there will be a list of questions which could be answered by anyone.
Sure... ask away.
sometimes, but anyone can answer the questions. i could be some idiot who doesn't know anything about the question, but i could still answer it.
anyone can see these questions
Anyone can
Yes. Anyone can read and answer the questions on WikiAnswers.
you could ask if anyone has ever seen a homeless person. or a did you know fact.
DO NOT
Everyone and anyone.
No. These questions are answered by anyone who has the answer.
only when unasked questions are asked
You shouldn't need to be a member to answer questions on the site. If the question is already answered, it could be protected, which would prevent some people from adding to it, but unanswered questions should be able to be answered by anyone.