Consider an excessive use clause for utilities.Talk to your neighbors and let them know to notify you with concerns.

Within reason, I did cut ties with one that tried to make what I thought was an excessive fee. 

These types of markets are a great way to enter long term holds without excessive risk while you work on your processes. 

wouldn't that be excessive amount of money?

Yes, your lease will state that you can go after the tenant for excess damage.

In addition to what Ned mentioned, you will also have advertising, entity maintenance, legal fees, evictions, court costs, periods of high vacancy, damage done by tenants (in excess of the security deposit), lawsuits, utilities (at least during vacancies), etc, etc, etc.

For example, significant damage done by tenants in excess of the security deposit (often thousands of dollars), is an expense that may only occur once in a many years.

I don't know if you're a buy and hold or flipper, but if you're buy and hold I can tell you that last time (in Houston) the big decline in rents TRAILED the decline in prices by a few years.Those rents STAYED DOWN as a lot of the excess inventory was snapped up by BUY AND HOLD investors who then NEEDED to keep those units rented.

If I feel that it is too excessive such as working with new people, open houses, I typically have a double blade push knife on me.

So attending is possible for free, riding on the coat tales of someone else that has paid in excess of 16 grand, AND there is NO PRESSURE, NO UPSELLING, NO OBLIGATION.