When I moved into my home, both acreage parcels on either side of mine were vacant. After a while, I realized, I'd hate it if anyone built on them. Over time, they each came up for sale, but I thought the prices were way too high. But evidently they weren't as they sold. One side the guy is pretty cool. The other side is now owned by husband/wife lawyers. I call her 'Crazy Goat Lady' as she fenced off a bit over an acre and put 30 goats on it. Dear LORD! What a STINK! And not a dang thing I can do about it.
I recommend you buy the parcel and use what ever means you can. I'm always getting those checks in the mail for cash advance offers on credit cards. $15,000 for zero interest for 2 years usually. Use that. Use your 401K. Cash in a life insurance policy, but what ever you do, do NOT let Crazy Goat Lady move in next door to you!
Oh, and just when I thought it wouldn't get any worse, she bought 2 roosters! TWO!!! It's like dueling banjos only with roosters every morning until at least noon. And a dog that barks. At the goats. And when the roosters crow. New York City is probably quieter than it is now with her next door.
Along with the roosters, she has a couple dozen hens. Not particularly noisy, but they've attracted coyote and skunks. Now at least once a week the whole place stinks of skunk and I haven't seen my cat in a couple weeks.