It will wash the mortar out if left go too long.

Out of pocket: approximate 17kCoC return: 18.7%Cap Rate: 10.8%Also, CF may go down a bit if I decide to include repair cost into loan.According to some  websites I may be able to rent for 850.Also, The income is not including possible sources of income from say a coin operated  washing machine and dryer

Tenants wash their cars. 

Washing machine, dishwasher, microwave, security system, pool, central air, shuttle? 

With certain business models you have to figure in higher costs such as coffee, clothes washing place,etc.

Kathy, you would only have to come over in your bikini and wash my car, you would then have my attention.

Not different than if they washed cars for a living and you took your car to them to get washed.

What was he thinking?????

Also consider if you have dishwashers in unit, or a washing machine- All of these can use lots of water! 

I know it's easier to just wash your hands of them but we need to hold the profession accountable.