new york
Teachers I would presume.
The contestants dress themselves.
handicapped people?
Once you pass the test you have auditions based on more than the ability to answer
no
During the commercial break after they find out the category.
They have had a few and will again. Travel to Jeopardy to audition is at a person's own expense.
Unlike Jeopardy contestants keep the money won or get theminimum$1000
Names of the Jeopardy Contestants are available at the Jeopardy archive. See related link and look for that date under the season for the episode
For contestants of the show they tell you the final category and then you must decide on the amount of your wager. They are various methods that contestants have used in the past to make this decision and they all take into account the other contestants score before final Jeopardy.
There are no answers to the Jeopardy TV Show as they do new questions each time the contestants want a question.
Contestants who successfully pass the tests play a short version of jeopardy. See the related link.