There are some really great podcasts that talk about different things, and there are actually quite a few vendors that produce content (podcasts, blogs, webinars, etc) that can educate you a ton.

Whats the best course of action?

I want to resolve this situation as efficiently and fairly as possible.Questions:Partition Action: Given that my aunt and I are joint tenants with a 50/50 split and there’s no formal contract, is filing a partition suit the best next step?

Once a default has occurred - be it missed monthly payment, note maturity, etc, the note holder or their representative send a letter to the debtor notifying them of the default and providing the statutory timeline for corrective action.

Just keep learning (podcasts, books, meetups, etc.) and be sure to take action when the opportunity arises

I would try to network with other MTR landlords in the area to determine best course of action 

I think it's always deals first- no one will take you seriously as an investor or syndicator if all you do is tell them about your ideas, people want to see action. 

It was fully renovated when I bought it.I added value by adding income-producing rooms.What was the outcome?

There are likely at least subtle differences between those proposals.In terms of good and bad experiences, you won't find an insurance company that doesn't produce happy and unhappy customers.  

They no longer work for you, so monitoring a collection action is not their responsibility.2.