If you are an avid world traveler or are planning to take a trip to another country, one part of the trip that can be confusing is how much should be given as a 'tip.' It can be confusing figuring out how much of a tip to give for good service and you also want to make sure that you don't end up leaving a big tip for bad service, especially when considering the foreign exchange. To help you figure out the best tipping practices, the following is a guide to tipping around the world.