Large acreage you can later subdivide, or keep all to yourself and enjoy wide open spaces with peace and quiet?

You are wide open for being sued for discrimination.

And yes I realize that costs can vary widely.

not all lenders are nation wide or lend in rural communities are restricted to certain states.

Most investor friendly agents I work with or know of should be able to handle your wide range and will welcome it.

As Dan Dietz mentions, this structure provides you with "checkbook control" over the funds, and eliminates an array of paperwork, delays, and per-transaction fees that would come with having a IRA custodian directly hold the assets.If you will have multiple properties within that LLC, it can be effective to create sub-LLC's for individual properties or at least small batches.  

If you've read around here for even a short while, you'll see the widely held opinion that betting on appreciation is just that - betting.  

We had a channel that developed on its own and turned into about a foot deep and almost as wide. 

(a 50' wide lot somewhere that requires a 20' side setback would leave you with a 10' wide sliver to build on).  

Title company wants to charge us $300 to do it but his divorce decree states that if he sells the house, which was a double wide destroyed in the Harvey hurricane, then he would owe her $25,000 but it states that the property goes to him.