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i prefer the climber type tree stands, (depending on if you have the right types of trees to climb) very stable, very quick (once you get good with it) i can usually go from tree stand on my back to ready to hunt in ~ 10 min. API and Summit make very good climbing trees stands, as far as scents, if you are gun hunting, just stay simple, launder clothes in scent free detergent, keep them in a trash bag or plastic container, and use some cover up scent, or scent eliminator on your boots and clothes before you leave the truck. As far a rack restrictions, I think ( dont quote me) but PA is at least 3 points on one side. hope this helps