Any insight would be helpful. 

BP has various tools to help you analyze your deals (rentals, flips, wholesale, etc). : https://www.biggerpockets.com/investment-calculators7.

Talking with a reputable lender will help you answer both of these questions, although the first is much more up to you and your comfortability. 

Jason,Send me an email there are a few things I can share that will help you and your wife for the Ohio REI purchase.

As long as you are clear with the agent they will help get you in the right policy.

And although it may be very nice of you to want to help traveling nurses, that may be a misguided model for your business.

There are lots of experienced property owners, lenders, real estate agents, attorneys, tax experts and more here so don't be shy to ask questions and I'm sure an expert in that field will be able to help.

I help investors buy ratty houses in Detroit and get them through a rehab with my team on the ground.I'm not saying that as a plug, I'm saying it because it is the ONLY way I see deals penciling out in the area today. 

Please help.

Ever since the BP app came out I've been reading on my phone.