Sounds like a fine plan. I offer a few caveats of the IMHO/YMMV/FWIW sort.
Mel Tappan, a widely published survival guns expert, retreated to his rural outpost, in preparation for the coming cataclysm. He passed away in 1988, quite young, apparentlty of congestive heart failure. This is a disease that is and was best managed in a sophisticated hospital setting. He might have survived longer in an urban setting with better access to health care.

I chose to retreat with my young family into 23 acres of heaven in the adirondacks. DW did not tolerate the isolation well, and DD's struggled with the limited resources and coonservative social structure of the rural educational system. There were lots of benefits to being there, but the tradeoffs were substantial. We were much better able to survive teotwawki, but less able to survive the very real struggles of daily life.

I admire the approaches of Susan, Blast and Martin Focazio, who integrate their survival preparations in the context of community and family. This seems to be the wisest of courses.

Good luck with your enterprise.