The answer to this question is a DEFINITE MAYBE, since you have TIME.
I have three years non-commercial experience clearing Florida jungle, composed generally of wild grape vines, wild climbing rose, Virginia creeper, Smilax, Carolina Jasmine and assorted other vines running through sandy-loam soil and climbing desirable trees, loading the trees until they are pulled down. Did I mention Palmettos?
I began clearing with a used John Deere/Yanmar 750, found it too small and found I needed an FEL, so I bought a new Kubota B3300SU light frame tractor/loader and started to accumulate 5' to 6' implements and attachments. Worked B3300SU 400 hours but determined for productivity and safety reasons this rig was too small/light too. (If you have one or two tractor wheels off the ground regularly, sooner or later you are going to have an accident.)
Sold the B3300SU and bought a new Kubota
L3560 heavy frame tractor/loader, which has heavy LA805 FEL paired with L2296 Heavy Duty 495 pound bucket. This combo has the weight to make tearing up jungle practical, if still a slow task. It is a slow task not because of the equipment but because of the huge volume of material which has to be disposed of as jungle is cleared. Fortunately, I can burn, so material is hauled to a burn pile in the middle of a one acre bare dirt area, stacked, allowed to dry a few days, then ignited with a propane torch. Collecting the debris is slow, hauling takes time, consolidating the burn pile both hot and cold takes time and burning safely requires supervision. Periodically, root dirt has to be reverse transported or the burn 'pile' grows.
(I Disc Harrow the burn pile field periodically, to maintain bare dirt.)
Generally I start by pulling Rotundfolia grape vines and climbing roses out of the trees. Primary attachment is a Ratchet Rake strapped to the bucket, which does a good job of holding vines while I back the tractor. For 3"+ vines I use 5/16" Grade 70 chain attached to rear center drawbar. I have twice pulled trees over when the vines would not release, so caution is important. I chip the largest vines, which is kind of fun, like slurping spaghetti, then scoop up everything else with Debris Forks on the bucket and transport to the burn pile.
During clearing, I have 60" Rollover Box Blade on the 3-Pt hitch as essential ballast. When I discover vine nodes, where a group of vines emerge from the soil, I drop the ROBB rippers and drag the vines on surface and 6" underground. More debris, wet.
Next I 'hog the area with a 5' Land Pride RCF2060 Rotary Cutter, 2" rated. To get through dense growth I need the Ratchet Rake on the bucket, near ground level to detect obstacles, (can't see at all, sometimes), work the bucket up and down as necessary to progress in HST/LOW pulling the roaring cutter. Have to be mindful vegetation ropes moving over the tractor do not snatch the controls. I keep loppers on board; sometimes have to stop and cut the operator's station free.
Then I clamp a $400 Bucket Solutions' Bucket Spade (110 pounds) to the bucket and dig out junk trees, junk palms, palmettos and wild rose corms. Now the ground is "open" but still littered. I use the Debris Forks to consolidate debris and transport-----you know where. Finally, I fork light debris with a pitchfork.
Next I use a Disk Harrow with 18" diameter notched pans to till, to disrupt roots. I generally make two or three passes with the harrow, getting deeper with each pass. (A Disc Harrow with 20" diameter notched pans would be considerably more effective.)
Then I use a 6' Everythingattachments.com (ETA) Landscape Rake, usually with gauge wheels, to get the area acceptably level and fill holes. Then I sow deer and wild turkey food plots and roll in seed with a Cultipacker.
Some stuff comes back, grape vines, wild climbing rose and Virginia Creeper being pernicious. For two years I used a two-gallon hand sprayer filled with Tractor Supply strong, generic, 2,4-D or 41% Glcophosphate with mixed success because repeat applications were required. Now I am experimenting with Bayer Advanced Brush Killer Plus, which specifically lists grape and wild rose as targets. I hope for one application kill.
(I consider these "residential" sprays hazardous. I wear a hat, long pants, long sleeves, safety glasses; spray, then shower and put on clean clothes. I have a
careless relative, a smoker, who required hospitalization from exposure to Roundup.)
I calculate the cost of running my tractor, implements and attachments, at a minimum of $26 per hour. It requires 150 tractor engine hours per acre, plus many more man hours, to clear trees, prep land and burn debris.