I know that's a hard line, but I've walked enough acres to say it plainly: if a seller can't tell you what's been done about autumn olive, bush honeysuckle, or multiflora rose on a property, walk away or price it like a reclamation project — because that's what you're buying.
I changed my mind on this after watching a family near us sink years of weekends into land they bought thinking it was 'a little brushy.' It wasn't brushy. It was wall-to-wall autumn olive in the creek bottoms and every south-facing slope. They're still fighting it six years later.
In the Ozarks, invasive shrub pressure in riparian areas is catastrophic for land value, grazing potential, habitat quality, and your own sanity. Conventional buying advice treats invasives as a cosmetic issue. They are not. They are a long-term liability that compounds annually.
Before closing on any rural parcel, I'd push hard for a full invasive species walk with someone who actually knows what they're looking at — not the realtor, not the seller.
Anyone else had invasive pressure completely reshape what a piece of land was actually worth to them?