We had the same query about the opportunity to cure the transportation mistake rather than incur the penalty. This once again made us wish for some "realtime" aspect (eg., periodically posting the time of day when the event happens), although I know this would take away from the edited drama.
Speaking of editing, interesting to note that the video clip of the "forgotten" money/passport pouch was in a white taxi, although Dallas was riding in a black taxi.
Toni and Dallas in lieu of DanDrew would have made for a SUPER final ... I'm curious to see how much of a time "cushion" Nick and Starr enjoy (although that can be wiped out by waiting for a building to open or a flight to leave).
BTW, throughout my journey to Morocco last week for Dad's medical emergency, I kept thinking "if this were part of the The Amazing Race, I would ....."