Hardwood scraps go into empty beer boxes, and go to friends for kindling. Not off-cuts with some potential furniture value I keep them as noted below. I have filled dozens like this with wood that cost $18 - $20/bf. The most expensive fires in metro ATL, I'd surmise. Damn near match-light - QSWO, HM, cherry, QS sycamore, curly maple, walnut....
The beer boxes seem to be like fishes and loaves - no matter how many I fill, there are always more. Its a complete mystery to me.
Then - other stuff - MDF, ply, hardwood pieces I am keeping - they get tossed on a shelf, in roughly species piles - 8' long x 16" tall. Every 3 - 6 months, I go thru that pile, sort, organize, stack neatly [in vain], and pitch 50%.
I realized, finally, that there was a pragmatic difference between "I could do something with this" and "I will do something with this" and "I have a use for this right now". I try to be brutal in culling the herd - have never been disappointed - there is always more where that came from.
When I started woodworking, I didn't know squat. I have progressed in 30 years - now I do know squat.