So can I get a little more clarification, because this is precisely the point that I have heard from differnt CPA's that confuses me!  

The IRS is nothing if not precise.

I've read some real estate laws but the way they word them makes it almost impossible to be completely precise.2.

I tell them I don't want anyone living in my properties that doesn't want to be there, and that is precisely what would happen if they signed a year lease and their situation changed. 

While it’s difficult to quantify precisely how much resale value an ADU adds to a property, anecdotal evidence shows that homes sold with secondary units have a higher return on investment. 

I'm sure the writer wasn't trying to be disingenuous, but since the original question was posed by @Brookshire Harris, who I presume is new to all these systems, it's important that we are precise in our comments.

The second type of investor is likely looking into growing in real estate actively, and that's precisely when I would stop recommending turnkey investments.

I need to dig into my email to find out precisely.

Or, if the guest house has it's own subpanel for electrical distribution, install a submeter and bill them for precisely what they are using.

Many investors use a general rule of thumb for midterm rentals that they should earn about 50% more in rents than an equivalent long-term rental (whereas short-term rentals should earn double or 100% more than if the property was utilized as a long-term rental).However, for DSCR lenders, change can be slow and challenging, and many lenders prefer and require more precise qualification measures than rules of thumb.