For what it’s worth, i literally scrounge all the wood i get. Pick up from the curb, split, re-sell.For bucking large, suspended logs, plastic wedges are your friend! Put them in the cut as soon as it is deep enough, and don't be afraid to use more than one. If cutting in the middle, go 2/3 through from the top, then finish from the bottom up.
They will often save you if you have misread the tension direction.
Tension can do very strange things to wood. I once milled a 6.5" X 6.5" Ash post that literally imploded after it was milled. We heard some cracking, we got back, and it literally just blew apart.
Pounding a plastic wedge can also, often, un-pinch a stuck bar.
They are also invaluable when stumping and milling.
I actually used a slice from the tree feller to hold open a cut to prevent a cut from closing up.
Any rec’s for wedges? They run $14 a piece for husqvarna wedges from Lowe’s by me.