There really is a lot to consider. I think the tip on living in the area for a year is a good one. My mum nearly bought a property, then when she spoke to some locals she discovered that it regularly flooded. That didn't come up on the required searches.
I've featured your post in the Garden Journal Weekly curation.
Thanks for featuring my post! It's true, we think we can find everything we need to know about the place online, but the reality is we have to live and visit with locals to really get the truth. She lucked out.