They just aren’t made for anything more than a couple acres for a few years, basically they are made to be thrown away, commercial grade stuff is made to last and be fixed when it’s broken, not thrown away and replaced. My dad has a Troy Bilt bronco and I have a hustler XONEI, the Troy Bilt is hard to work on and built very poorly, it pops tires multiple times a season, bends blades if you hit something like a stick, ( I mulch sticks with my Hustler). Getting a residential grade or big box machine for that much property is gonna cost you $3000-5000 and will last no longer than 5 or 6 years. That’s just throwing away your money.
I have done the research on paying someone to mow, it makes sense to hire someone if you have a lawn that’s bigger than can be accomplished with a push mower, but less than two acres, upwards of 2 acres and you’ll be paying enough to justify buying a nice machine. Around here you’d be charged $200 for your property by a new amigo and up to double that by someone who has been in the business a long time. After only a couple years you could save enough to justify the purchase of even an $8000 machine... not to mention that you will fully own a machine worth close to what you paid.
The Route id recommend for you is buying a used Full Commercial unit, search marketplace and Craigslist and try to find a mower with less than 500 hours, maybe more if it had been used residentially and make sure it looks clean, make sure the seller is polite and seems normal, look for service records, and just use common sense and trust your gut. Send us links and we will let you know what we think of them.
Hustler: XONE, XONEi Super Z and Super Z Hyperdrive
Scag: Tiger Cat, Cheetah, And turf tiger.
Ferris: ISX2200, ISX3300, ISX800 (A little less than full commercial in my opinion but still good) IS2100, and IS3200
John Deere: 900 series (Not Super familiar with the lineup)
The rest of the brands I am not familiar with, I would be happy to do research if you are interested in another brand.