I'm a non-resident so it's 0.5%.

Nor the steep penalties associated with willful negligence.OP will want to consult an attorney and a tax CPA familiar with international tax obligations, tax treaties, and entity structuring.A multi-member LLC taxed as a partnership to hold the real estate asset might be the best way to go considering there will be a mix of US persons and non-resident aliens. 

He takes great care of the space, does minor maintenance himself, and I get the rent usually EARLY by a day or two. 

But to try to figure out what to do with a rental simply by the numbers you gave is a non-starter.  

I really don't care about anyone's judgment about whether they should or should not take advantage of the law, they've helped to support so many others.

I've been studying non stop for a couple of years now and have a couple of rentals and have partnered on a couple of flips but am just starting to really settle into a strategy moving forward that I'm comfortable with.Does your primary work well as a rental?

You'll most probably get a default judgment against him. 

Then once you learn the ropes you can start to find your own apartment deals to start buying and getting into the multifamily syndication space.

I've found a 24 unit mixed use apartment building for sale. 8 units are retail space, 8 units are 1 BR apartments and the remaining 8 are 2 BR apartments. 

If I don't even know where to start, or how much places rent for, or the difference between a property needing work and a non-starter, are people out in the community really the best to answer these very broad questions?