At this price, you could just find a small travel trailer, pop the axle off and drop it on the bed for a super cheap overlanding vehicle.
https://www.ebay.com/itm/1994-Stewart-Stevenson-Cargo-Truck-with-Plow/303552219782
There are a variety of Stewart & Stevenson vehicles available.
https://www.govplanet.com/fmtv?kwtag=cat-surplus
I've never bought anything from govplanet, so I'm not even sure how it would work--but for someone who wouldn't mind putting some work into an older vehicle, this might be quite an...
This is an interesting set up:
https://portland.craigslist.org/mlt/rvs/d/portland-oliver-fuso-4x4-fiberglass/6984392490.html
12K miles is basically new for a 6.7 ltr Powerstroke Turbo V8 Diesel:
https://portland.craigslist.org/mlt/rvs/d/lake-oswego-2015-malayan-tiger-44-provan/6967303538.html
Auction starts at $6K. Lots of other vehicles in the same auction--be sure to check their location since they are all over the US.
https://www.govplanet.com/jsp/s/item/2292940?kwtag=p13n-R&h=
A lot of storage already due to utility boxes. Could be an inexpensive way to get a nice vehicle.
https://portland.craigslist.org/mlt/cto/d/portland-2004-ford-60-4x4-bulletproofed/6795889247.html