Now... any business owner that I've ever respected, or considered successful basically lived and breathed their baby while they were growing it.

Breathe, step back from the forest, focus on one thing at time and don't move to anything else until you feel comfortable with it.

It feels like a lose-lose situation.My husband and I went to look at a unit that on paper made complete sense, but when we walked the property, we could barely breathe because the man next door smoked like a chimney, and I think it came into the unit through the ventilation system. 

Also, you don't need to worry about an escrow check until he accepts the offer and given your prior description of him I wouldn't be holding my breath.

I ate, slept, and breathed that course for 12 days before testing.

Do the work to ask around your local/regional banks and credit unions, but don't hold your breath. 6 months really isn't that long in the grand scheme of things and by the time you get the reno finished and both units rented out, it will likely be 6 months already.Lastly, have you run the numbers on this property as a rental(s)?

I am fairly new to real estate investing, but I have been living and breathing it for the past 18 months, taking in all of the information and advice that I possibly can.I own two rental properties, and am getting my first cash out refi this month! 

It's Sunday, take a deep breath.

I don't want to use chemicals because tenants have kids that play there, and I also don't want to breathe it myself.

Take a deep breath and call the property manager tomorrow (Monday) when the office is open and clarify what they intend to do.