what about different options for a caddy who carries your bag while you play a round.
Payment Options:
option a: pay for the caddy per round
option b: monthly salary plus percentage of winnings.
option c: like the above just paying more for a good caddy
Whats in it for you:
option a: caddy just carries bag
option b: he gives you the information already available on wind and yardage etc
option c: the free information on precises yardage, elevation etc is gone, so you have to pay a caddy to receive it again
option d: caddy helps reading putts