If the numbers make sense, you might want to explore the options of updating the apartments one at a time so they a) won't need so many repairs and b) you can raise the rents. 

your other options besides eviction is to get an emergency contact and contact them about the situation. 

So, here's a vague response - go with the MOST EXPENSIVE option!

You may be struggling to find a tax professional as these options are not available until you own have at least one property in your portfolio. 

Typically higher down payment and higher interest, but an option nonetheless. 

I know @Jake Baker is a great option if that's the route you decide to take 

There isn't going to be much of an opportunity to improve the value of a new build through a remodel so unless your discount is something along the lines of 20% or better, this may not be a good fit for the BRRRR strategy but that doesn't mean that it isn't a good opportunity for a different strategy.Just thinking out loud, maybe it could be a good fit for a lease option or rent to own play.

One popular option is multifamily syndication, which has a lot of potential for scaling up.

Option 3 is the most work but best return.  

I know of a few options that don't require title seasoning for cash-out, but they are capped at 75% LTV