Free: Contests & Raffles.
I wish I had a spot where I only had to worry about one guy showing up. Sounds like a gem. Your dad might want to get up early. When the guy shows up, explain how you have hunted this spot for "X" years without anyone showing up. He may or may not move.
A spot nobody else hunts in the Nile unheard off . Can you post GPS coordinates so I have a better understanding of the area?