1. The Road: The better the condition of the access road, the better impression your property will make. If your land is three miles of bad county-road away from pavement, then I wouldn’t waste a lot of money making the access from the county road any better than the county road itself, but remember that you can do quite a bit to civilize a dirt driveway with a tractor and blade. If you don’t have too much length to cover, there’s no substitute for a layer of 1” crushed rock (or larger rock in deep mud-holes). One layer of 1” rock one lane wide will cost you about 75¢ per foot around my neighborhood. Needless to say, if the property is on a road maintained by the county, or some other local government entity, and if this road has any work that needs to be done, this is an excellent time to complain politely about it to the wonderful folks on the Road Board. Most counties grade their roads once or twice a year, but some roads that don’t get much traffic may be neglected if no-one complains.
You can also look to certain companies and organizations that have a concentration of people that may fall in the above mentioned roles such as investment companies (i.e. Charles Schwab, Fidelity), financial advising companies (i.e. Morgan Stanley, Merrill Lynch). There may be a higher concentration of people who can both afford and want to build their own custom homes or to build income-producing properties. Try linking yourself to financial advisors who may already know of people who have these types of dreams. This isn't a comprehensive answer of all the possibilities but just some thoughts. Good luck!