You will have wash all the walls and ceilings before re-painting them. 

Basically $12,000 to $15,000 completely rehabbed.The deal I offered him (and he was thrilled with it) was He pay for the purchase and rehab, then we divide the rental income as follows 1/3 goes to pay back his investment with no interest, 1/3 goes to him and 1/3 to me.

Another has a company that drives mobile Laundromats so that the homeless can wash their clothes.

Whatever happened to clean off-market transactions with a solvent homeowner?

Even if it's to get his car washed.

It allows you to wash off stains and still hides imperfections to a certain degree.

After that, wash and rinse with 2 more properties.Sounds great?  

was he going to flip it?

So a 2 BR 2 BATH would pay twice the water usage of a 2 BR 1 BATH.You also need to take into account the common usages, like washing machines, car washes, lawn sprinklers.I would just pick a method that seems most fair and work out the flat fee from that.Curious, is there any advantage to charge a flat water fee of $25 instead of just increasing the rent by $25 and say water is included?

Do you have a lease addendum that charges a specific amount for the use of water to wash clothes?