Whether at home or abroad, when you know the ins and outs of a particular location, you can provide photography tours and location-specific workshops to serve both tourists and serious photographers. In Greece I found a professional photographer offering pricey photo tours in Santorini, a popular island with stunning viewpoints that are difficult to locate. Part of this photographer's service was to unveil these secret locations. Back in Holland, photographer Michiel Buijse offers nighttime photography workshops in Amsterdam, helping photographers shoot stunning long exposures along the historical canals. Consider what you can offer in a location you know well.
You have provided a great deal of information on a subject I am really interested in. I will be researching the websites on this list. I have started my own website at http://www.davidhintzphotography.com, I have sold some of my photos on microstock websites and now looking to sell directly from my own website. Thanks for all your work on this topic. I would be interested in your comments on my site if you had the time to look at it.