@Andriy Boychuk, we've used heat tape in the winter on some outside lines- but heat tape isn't insulation, it's for active heating(I'm sure you know that already.)

John - My wife and I have a "park model" in Mesa, AZ where we go during the winter.

Welcome.Buy now, work over winter, list April 1st.

Account Closed you have to keep in mind that in the winter you can sometimes find better deals to buy, so if you find one that will make you a profit, I would buy it. 

They took a big financial hit last winter that put them in a bad situation and their income was cut by about 1/3.

He does not have to provide you with ac, but he can't leave you with no heat in the winter.

Also, the one house has a crawl space and it concerns me the possibility of freezing pipes in the winter.

This could be easier certain parts of the year as well (like winter for example).These also have some good feedback on your approach and how others evaluate:https://www.biggerpockets.com/forums/12/topics/150...https://www.biggerpockets.com/forums/52/topics/175...

The property does not have a yard so the only outdoor expense would be plowing the parking spots in winter.

I was hoping to purchase my first multi-family before winter but I feel like I need to reconsider that goal as that is less than 3 months away- I'm not ready!