You need to be able to handle the tasks by the ends of your first week - you really are thrown in the deep end, but this separates the wheat from the chaff! You should quickly realise if this job is for you or not.
Chasing and finding stories is often the most difficult bit, especially in the smaller patches. But through FB groups and local contacts you can make it work.
Not everyone, sadly, knows of That's TV's work, but they always become fans after an interview.