There are many factors that contribute to the price of water.Washing machines, running toilets and 'guests' are the three that I've seen most often, a distant third is leaky pipes, slow or catastrophic.Tenants will never care as much as you do about the cost of water.  

As such I don't really need to do the "keep your pipeline full" machine style marketing.

The activities of wife with respect to the rental properties included, among other things, cleaning common areas, collecting coins from washing machines, performing repairs at the properties, communicating with tenants, collecting and depositing rent, maintaining insurance policies, purchasing materials for the properties, as needed, paying bills and keeping books and records for tax accounting purposes.

Tax-free Money Machine. 

Get an ozone machine in there.

They'll put machine learning and human review to work for you and send you deals whenever they come on the market.

Keep in mind that the Austin metro is also growing in population tremendously as the job machine keeps cranking out jobs.

Driving for dollars,advertising on social media,attending local rei meetups,word of mouth.If you have some funds to invest you can use bandit signs,car advertisement such as magnets,check your local county for a tax list,propstream or even deal machine.

There is no way to completely separate it from the main part of the house, as it also has the laundry machines, furnace, electric panel, and storage areas I need to access.

(Yes, if you property manage all them, I get it could be somewhat passive… but PM  is a total rip off and from most I talk to, you still are a major cog in the machine even when you do have PM.)