Your ultimate goal is to create a “Win-Win” Situation, for you and the seller.

I'm fine with what I paid him for the work he's already completed, but would just like to hear from him that he's done with the job or what the situation is.

More effective to door knock in some situations. 

If it happens a second time, tell the tenants who are making the noise that they need to stop or they are in violation of the lease.This is solid advice and exactly what I would do in this situation.

And frankly in many instances depending on the situation it could be beneficial for the owner to let it go.. as they are entitle to the overages..

Ah it's unfortunate that this is the type of tenant you're dealing with in this situation.

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?

It can be done but each situation is specific and would be underwritten to see the risk and what the exit strategy is. thats the key with shorter term loans - understanding what the borrowers exit is.

And you create a situation where you are totally dependent.For most people in the US OOS investing does not make sense, the economic delta is not large enough to justify the additnal cost and management burden. 

There might be some hoops to get through with conventional financing with your income situation, but if that doesn't work, you could use a debt service loan.