You can certainly borrow against your investment properties utilizing creative income guidelines, including bank statement or DSCR.

When there is a turnover, there is more work, but usually there is a placement fee which covers the extra leg work she has to do (placing an ad, doing showings, move out inspection, making sure utilities are transferred, etc).

-he pays $550 of the $930 mortgage, and half of the utilities, which are not split, and are in my name. am I overreacting, or do I need to do some damage control on the tax front?

If not, contact her and let her know you need it in writing, keys returned and also check she's paid up on her utilities. 

Somewhat expensive and we have had a couple of persistent thieves still break in, it is rare.3) Turn Off Utilities to deter squatters.

Also another reason people can need to pivot from utilizing conventional loans is their DTI gets capped or they are self employed and thus despite having ample liquidity to conduct the transaction they’d trying to do, can’t document income to the lender’s standards.  

Based on my understanding of the Customer functionality in Quickbooks, I agree that for real estate investors who might want a more cost effective option can utilize the Customer features (available in the Simple Start and Essentials version) instead of classes.

Example:House rents for $1,500 a month and utilities cost $150 a month.

So she will not have to pay any rent and just utilities for the year.

Second, as you mentioned, I would see if the utilities support the conversion.