I use the tractor. Some brush I pull, some I cut, and some I "mow" over with the brush-hog/rotary mower. When I pull or cut brush, my wife like it chipped for use in the garden; most gets chipped, but some gets burned(on permissive burn days).
I have most of my property around the house and granny flat cut back; mostly a spring cut with the roatary mower has it under control.
Much depends on the type and size of the brush. I do brushogging, chainsawing, weedwacking mostly annually. If you have a tractor with FEL then check out a ratchet rake. There are many posts at TBN recommending them.
I use the Bush Hog. The fallen limbs and debris that I pick up goes to my neighbor's outside burn stove or my burn pile. On my way from town this morning, crews were doing prescribed burning on the Game Lands areas.
Cat D3, Deere 110 TLB, Kubota BX23 and L3800 and RTV900 with restored 1948 Deere M, 1949 Farmall Cub, 1953 Ford Jubliee and 1957 Ford 740 Row Crop, Craftsman Mower, Deere 350C Dozer 50 assorted vehicles from 1905 to 2006
I've had rugged terrain up the canyon sides loaded with poison oak... for me, the ideal solution turned out to be a backpack sprayer with Brush Killer...
I could be 15' away and hit my targets...
A couple of sprayings and the plants died and 5 years later... the brush is gone!