When I checked out of my hotel room the other day, I had planned to give the hotel a credit card, but they told me that they would only accept Vietnamese money, called dong. So I spent all the dong that I had on the hotel room and couldn’t get any more before we left town. We stopped to get water, and I realized that I only had dollars. When I asked the shopkeeper if he would take that, he said no! After some negotiations, he finally took my dollars. Then I tried to get dong at a gas station, but the guy was going to gouge me! Finally, after several tense minutes, we found a bank and all was well. Why was this so critical? No dong = can’t buy water = WE WILL DIE!