Whether you're just on vacation or taking a formal photography tour at a popular destination, travel always presents wonderful photo opportunities. With planning, preparation and the right approach, those opportunities can be turned into income. That's a pretty awesome concept, and it gets a lot of people interested in the idea. Not everyone succeeds at it, and there are some common reasons that may be holding you back. Let's take a look at a few of them, so you can increase the odds in favor of your own success.