That's exactly what I thought as well: build a golf course that's effectively a giant funnel, with the hole deep down in the bottom spot where the ball inevitab

That's exactly what I thought as well: build a golf course that's effectively a giant funnel, with the hole deep down in the bottom spot where the ball inevitably ends up. The entire thing must be large enough to have enough "yardage" to get a low insurance premium. Register that course for a nice 10m$ hole-in-one insurance. Profit!