Using "cost of labor" by management is an easy excuse to reduce costs. 

I always protested them and reduced the value almost every time except once. 

They likely can reduce their rates a little but it will not result in much savings to you. 

Even if the income from the W/D breaks even with the utility costs, it seems like this might allow you to justify higher rents because of the added amenity...plus it keeps your tenants happy, possibly reducing turnover.Thanks!

One was interested in one lot at a crazy low price of $1000, which would then have to be surveyed out and would reduce the value of the whole parcel.

I do my own taxes through TurboTax Business edition to reduce the cost.  

This reduces the positive cash flow from the property from $1539,74 to $1364.74.

This also holds true when you are looking for ways to reduce costs.  

The first few I bought as primaries to reduce purchasing costs.

This can reduce your costs and networking can always set you up for a better position for the long run in real estate, or any profession.