When you are next out on a photographing excursion, begin the habit of asking yourself, "Is it marketable?" before you snap the picture. Gauge whether the piece of film or digital file that you're exposing in your camera has a good chance of resulting in a sale for you.

If it's color: Is it saleable? That is, -is it a picture a photo buyer will need ...not one he already has access to. Will that transparency one day be on a photobuyer