Back in the early days of the ABC show(fairly sure it's the case now), contestants got flown or driven in to NYC, two nights(or three if necessary) hotel, and $50 spending cash per diem. That could cost around $1000-$2000, depending on distance, etc. My trip was estimated around $1000-$1100 in August 1999, and it was not taxed. Not sure whether it is considered taxable now(as it's worth over $600 and thereby subject to taxes)