RE: SAFETY.. INPUT!
Great points so far! I will add:
1. Always wear a safety harness if using a treestand (already mentioned)
2. Keep your firearm' s chamber empty if you ever set it down or lean it up or walk away from it for some reason, and esp. before handing it to someone.
3. ALWAYS be conscious of where that firearm is pointing - don' t " sweep" people with it.
4. Communicate with your hunting partners about where you are/will be.
5. Don' t wear a set of fake antlers as a costume outside on Halloween.