good luck with the surgery i just went through fusion surgery in end of june still pretty tight moving but it is getting better,able to walk good...hurts to carry much weight still to early for that..
i too am going to be looking for a blind,an older used double bull ground blind.going to look on e bay i guess..
i think i will be able to climb good by Nov,thats when i get back to the states mised two seasons not going to miss a third..
good luck on hunting after your surgery and hunting dont risk hurting back again let it heal good..