What's the runway like at that cattle property? And is 100LL available there? (I assume yes, since you're doing this in a Cherokee six already, but at what cost? If you could have an aircraft that would run on regular car diesel and Jet-A, or regular car unleaded, it might make operations a lot simpler.)
And do you need basic IFR for the occasional cloud, or a serious IFR tourer, de-iced and everything?
And what's the terrain in-between? If you were to keep on flying a single and had an engine failure, what would be the chances of survival? Because to be honest, this sounds like a typical job for a C182 with an SMA diesel or something similar to that.