Best advice is getting a good pack, not a cheap one. I use a surplus pack issued to USMC. It is made by Arteryx or someone like that. You can find them online for less than $200. Similar type civillian pack is going to cost around $600. No problem packing out a mature deer. With a good pack, 60-80 lbs of meat will work on your back on hills, just take your time. 80 lbs of meat in a cheap pack will be unmanagable. I have probably packed out 20 or so animals(I hunt hogs as well) with it in the last 5 years. I keep garbage bags, gloves, sharpener, and an orange vest to cover the antlers on the pack out. Once I started using the pack and not fearing the drag, public land hunting got a whole lot more enjoyable. I can litterally go as far as my feet will take me. You will also get proffecient at cleaning one on the ground. I rarely hang one up now even when I am near a cleaning shed or truck. Just as quick and clean to skin them where they lay, with no carcass to deal with.