This was 2015 so although it didn't cash flow, the other unit offset my mortgage by quite a bit.

I have them on my book shelf.

Talking with one of their reps today, but wanted to also crowd source some info here : ) Thanks!

My spouse was the primary decision-maker, and I’m unsure whether to keep my share, sell, or hire a property manager.For those who’ve faced similar situations, what worked best for you?

Windows would be my next check-point (less than R1) and then wall insulation: I would not be surprised if they have no insulation inside, but you can do blow-in, which only requires a small hole.A home looses heat in two ways: heat conduction (which you can slow down with insulation) and drafts, which in old houses is usually the biggest culprit.

The timing and the property where perfect to get my feet wet.

In general, what sources and heuristics do you use to determine if an area can support new construction in general, and in specific in GNO?

A PMC is the ONLY one that will deal daily with your property.Here's some copy & paste advice on hwo to screen PMCs:Recommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.

I've had my share of expensive lessons.

Taking my realtor hat off for this discussion and putting on my investor hat.