It is a huge investment, and you will have to do much research and consideration
leaving nothing out.
Should she rent the first year and get to know the area first?
Is another area better because townships generally have lower taxes?
What would be her work commute, and the best way to strategic this?
What nearby things are there, such as grocery, gas, parks, etc?
Most bang for the buck.
For her the owner. For you the banker. For all.
Animals need a house and a yard. Plus a hammock in the back yard feels like home for a teacher grading papers.
Condo/HOAs can be insane (don't ask).
She can get a single female room-mate if need be to help with bills. She should actually.
Always watch out for the drunk boyfriends with tempers.
Consider using a
https://en.wikipedia.org/wiki/Land_contract if you go that route.
Her initial down payments and higher 'rent' might cover extra costs should you both have to foreclose in the future.
Personally, I would research every square inch of the city and it's potential.
Lot's of heavy talks first. No drama or taking sides allowed. Only harsh reality.
Lot's of "what if's" and honest discussion.
You can always wait...
Recessions happen. Prices drop by hundreds of thousands.