On my last trip to New York City, I almost missed my plane due to stupidly going to the street to hail a cab instead of walking to a nice hotel and getting one there. When you're not used to big city lines or big city prices, you could have a big city shock while traveling if you don't do your research.

Jan put together a list of money and safety mistakes she's made in her travels. She writes:

I was very careful about our stay in New York City – I knew exactly how much the cab would be from the airport, how close we were to our planned activities and how much it would cost to get around town. Nothing could go wrong with transportation, right?

Wrong.

Read more from Stupid Travel Mistakes We Made at Wanderlust Wonder.com