Better off investing in Indian RE till your visa issues are sorted out.

If it's listed on the MLS there's motivation.

They will also have some sort of limitation in the contract as to how much they guarantee to redeem fund wide and perhaps at the investor level as well. 

So run your numbers accurately, then decide, and figure out your motivation.

You don't owe the ones you didn't rent to any explanation or anything of that sort.

So I am having to stay on top of them much more than I would like to in order to get the accounting sorted out.

We are sure one of them will have some sort of story as to why it should all go to them. 

I need some sort of proof regarding the marijuana smoking and wonder if a Wynd unit is the solution?

The 4-8% management fee,  and getting charged for every basic maintenance task, they are not motivated to get you best cost on bids and usually add a percentage for supervising, did i mention its a 90 year old building?...

So, how you want to handle that is sort of up to you.