Free: Contests & Raffles.
If you want easy hunting access you are correct double j. There are tons of areas though that if you're willing to walk in a few miles you will have great opportunities. I'm actually thinking about taking up mountain biking for this very reason.
Private landowners are gating up property.State lands are gated.Federal and state lands have areas which are de-commissioned for motorized travel which concentrates hunters. Less people in far less areas= higher hunter concentration.