Looking for a home in TX and another related Q

You dont have to buy land, or have utilities to become a texan.
Check out
www.excapees.com
They even do a video on their website on how to become a texan.
As to buying a lot, Real estate agents and small town local newspapers are likely your best bets. And if you can find one that has an old trailer on it with electric well and septic, even if the trailer is junk, you can often find a way, (small garage only) to keep the well and septic active on the site for when you do go there.