Smartweed; I didn't see where you were from. If you are a flat-lander, then it would be helpful to get some experience at altitude before you actually go on a hunt. Being in shape it vital, but I have been on three different hunts where fit guys had altitude issues (one was a recent ex-pro baseball player, 33 yrs. old.), while a 60 year old fat man did just fine. If you have the opportunity, take a backpacking vacation, preferably combined with a scouting trip and see how you do. There's a difference between "sucking wind", and having severe headaches, muscle cramps, puking, etc. You will not be high enough to worry about HAPE and HACE, so start climbing.