The budget would be nice to help.
How you hunt/fish/etc.
merino - socks, underwear, tshirts - have fallen for all these, they work. Merino pullover
cheap junk - sd cards, extra gloves, small tool kit, screw driver torgue wrench, fishing line, lures, hooks
little more - Cerax or Niniwa sharpening stones, maybe a sharpening system KME, maybe a heated vest/coat, rods, reels
expensive - ? Truck, yeah - boat - sxs, - very nice sleeping bag/tent - new gun - new pack - binoculars/spotter -