They are in the closing process of selling their house and will profit from it and the money will go into housing for the mom and the 2 kids.

do you mean they want you to pay some of their fee' s up front.. 

If your accountant offers QB training or consultation, I would recommend sitting with him for an hour or two to go over your set up and procedures, this is also important.

I have an IRA/SDIRA and stocks/bonds increase in value, the balance goes up each year (minus the mandatory SEPP payments) correct?

The warranties always take a lot of time, and you will either end up filing a warranty to find that it is going to take too long and then purchasing something else the same day, or you will end up giving refunds back to guests while you wait on the warranty to be handled.I learned this the hard way when I first got in to rentals.

One distinction that has not been brought up, a legitimate service animal is there to provide some vital service for it's handler therefore is never left home alone while everyone goes out shopping, dinner or sight seeing.  

Why not do an actual closing with an attorney? 

It’s true it does scale up to 37% but not until around $12k of income after those deductions.  

They could end up being terrible tenants.

The property is in Pell City, AL and I was able to find this is a non-judicial state and potentially would not be tied up as much unlike a judicial process since it’s not going through the courts.ThanksDaria