I use an old Shakespeare automatic fly reel (Ebay) plus 50ft of 1.75mm zing-it dyneema rope. The reel works great - plays out and stays out until I hit the retract lever. It doesn't wind with enough force to pull a load, but it does wind up all the slack I have hanging out.
I made a loop spice in the end of that line and attached a wiregate carabiner to it (Now I have a spare carabiner if needed). and I also have one of those gaudy mall-ninja chinesium grapple hook (
https://www.amazon.com/Cyfie-Grappling-Stainless-Climbing-Carabiner/dp/B01H4QI1ZS ) I can attach.
I leave my pack and bow at the bottom of the tree when climbing, and don't attach anything - I found that if I do, it rattles a lot while the line plays out as I climb. The reel+line, gear hanger and grappler hook climb up with me in a pocket, or attached to my saddle.
Once I'm up the tree, I hook the grappler on the carabiner, lower it, snag my bow and pull that up, hang it. Then lower it again, grab the bag (lots of loops onthe outside), pull it up, hang it.
To climb down, I use the grappler again, to lower gear, then leave it on the ground, pull it up, lower something else.. then finally remove the grappler, hook the carabiner on my tether (I rappel and use this to pull down my tether) and then go down.
The only negatives I've found:
50ft fits on the reel but it's probably 20ft more than I'd ever need.
The grappler hook can be hard to aim with when trying to snag things left on the ground, I'd like to find a faster/better way to do that. Maybe leave it attached by carabiner to the pack on the ground, which won't rattle like the bow does as I climb.
The grapperl hook feels big and heavy until you want to snag something on the ground, and then that's a good thing.
The 1.75mm line is small. I usually have to wrap it around my hand to get a good grip while lifting heavy or pulling down my tether, and it hurts. I've started wrapping it around a stick or something for that. Once the load is moving, pulling by hand is no problem.