@Bill S.

The amount of rooms, heating systems, separate property tax bills, insurance premiums, etc, etc. 

However, if have several rentals and need to deposit checks, or use a debit card to pay utilities and other bills, etc. conventional business bank account would be the best choice. 

The water is billed to me and then the cost is passed on to the tenant. 

You tend to have breathing room to cover living expenses and more time to think on next investments to scale and grow the portfolio.That's very hard to do when trying to scratch and claw to get a start wondering where money is coming from to eat and pay the bills to survive another day.

Send her a bill and give her 30 days to pay in full.

It's completely legal that's what I do I pay the bills to the utility company and send a copy to the tenants and collect the 60/40 split from them each month

@Malik Javed have you heard anything promising about the bill languishing in the Senate that would reestablish the 100% oin bonus depreciation?

Some examples are;-County website for actual prop tax bills-Tenant estoppels-Actual utility bills-Bank statements and tax records-Verify insurance premiums with your carrierSome say "Trust, but verify," I say "Trust that someone selling you something will only show you what you want to see.......So verify."

She makes an account for her owners and then bills them off of each clean.