For deer hunters, their is a small contraption commonly called a "mule", which is basically a small metal frame, with one fat bicycle tire, and two lift handles. It allows a hunter to put his deer on it, and then transport it by himself out of the woods on very rough terrain. I think some of these contraptions will hold up to 200 pounds. You can buy them through Cabela's and other catalogues.
This may be more important to have than a full size tow trailer.
Regards,
Mannyrock