Based on very little information and having to make assumptions such as no additional income beyond rent (Garage rentals, laundry etc), vacancy of 5%, expenses for 30 units buildings are typically between 40-50% depending on class of property and age of building, assuming class C. 

I do this while doing some mindless task like washing dishes (or when the kids are... being kids) and I want to keep "working" but can't use my hands or take notes.

Wash, rinse, repeat. 

New ceiling in carportInspector suggested some vapor barrier in the crawlspace of one building.new railing on balconiessome new appliances and water heatersNew laundry machinesAt the end of the day, I am still learning, but I am struggling to see what to do to make this thing profitable. 

He helps out with the trash and keeps an eye out, so I was cool with leaving him alone while I concentrated on the other units.It was okay till I finished renovating a couple of the other units and created storage and laundry in the basement, where their studio apt is.

The electrical was updated, plumbing was updated, roof on 2 of the buildings are newer, new windows with lifetime warranty on all properties, each property has coin operated laundry, and these properties are fully rented.

To your last point - yes, the tenant could end up doing a ton of laundry, taking hour-long showers, and double tapping on the toilet to run up our water bill.

I later get a call from her saying that it was alot of water coming from the laundry/HVAC room going into the kitchen and into the dining.

., i could try to use a realtor and sell for better, but if renter moves out, i'll have to pay for cost of vacancy and repairs etc during time of listing, it'll be a wash in my view. 

Laundry?