If you have the ability to plant, harvest, and deliver corn? If so, plant every inch of land that you have with corn and you will have no issues selling it. Obviously its going to not only take physical work but work looking to sell and work figuring out how to transport. I know of a farmer that was offered $0.30 more per bushule for the going rate for ALL of his corn. That might not seem like a lot but look at it this way...your getting more then the going rate and your guarenteed to sell it all to 1 person. No picking it and drying it and waiting till people want a ton here and a ton there.
Edit:I didnt see you only had 100ac. Best bet is probably to lease it out. Dont think your going to become rich off 100ac