I would put in low flow toilets, high efficiency everything and maybe some kind of water meter on it that you can at least monitor usage by pipe.

Monitor your income and mitigate expenses.

My thought is to consider networking with apartment investors and invest some money with a couple experienced GPs to start so you can learn the biz before fully committing to run point on an apartment deal, etc.

Bigger Pockets has some great state forums and usually there are good locals that monitor those.

Bigger Pockets has some great state forums and local real estate investors do monitor those.

I would advise you to go to meet ups and connect with people, so you can find GPs (general partners) that need money.  

I know all the GPs have been very happy with her work and her team. 

It will be important to monitor that score from month to month to ensure your number is above your predetermined threshold.

You can monitor water usage daily online. 

 Just after any feedback on a property i came across called Property Tracker Pro.What the product does ;●Tracks properties adjacent to the investors property (monitors properties on three boundaries)●Notifies the investor when any of the adjoining properties are sellingFor the investor, this product gives them the opportunity to acquire a “double block” for increased resale values or development opportunities.The cost of Property Tracker Pro is $84 ($AUD). http://propertytrackerpro.comHas anyone used this product before?