Agree with Biggie. That last one may be a source of pain and sorrow if lawyers involve themselves.
FWIW, Dirt could be a great site to point folks to, well, dirt. People often have a need for fill dirt and developers often have a need to get rid of dirt. While it won't make a huge amount of money, it could be of interest to developers and contractors to use, as they often have to move tons of dirt.