Just consider the rent you saved buying the place as part of the profit plus any/all the write offs you’ve had for 3 years. 

I want to point out that I’ve noticed his tone in emails can come across as demanding or even a bit rude.For examplez: I see how he writes to the group—always polite and full of "thank you"s—but when addressing me, the tone feels far more demanding.Would it be okay to respond with something like this?"

In addition, somebody else is paying off your mortgage and the property can be a good tax write-off (consult with a professional).

Your write offs are also not effected, so you can write off miles also as an individual owner.

I would have a CRE attorney help me write something into the lease about abandonment. 

There is plenty of supply so I would either pass on this or write them an offer that makes sense from your position.

From the inspection write a list of exactly what you want.

My wife and I chose to write down our own rules for both our marital property and our estate, so that it doesn't go to whatever wacky CO law governs distribution of wealth.

Get EVERYTHING in writing.

Very good book, thank you both for writing it!