Free: Contests & Raffles.
I agree that cats are probably one of the biggest problems on the goats. Not encroachment of humans or their civilization. Goats seem to be rarely concerned with human interaction on trails and such. In fact I believe they usually benefit from it.
It does cost a little more for a non-resident to apply for special permit hunts here. Five dollars for us, Fifty dollars for them. But still, it's cheaper than it should be for non-residents.