A realtor that you are wanting needs to be new and fresh enough to the have energy and willpower to work their a#$ off, but also have some experience and education to bring to the party. 

The other thing is that when roots get in once, they can get in forever, and a tree cut down can still have root growth until all energy stored is exhausted.

In my experience going after someone in the courts who is already trying to not be forthcoming with information typically results in more wasted time/energy/money on your end.

You might be able to erect a shed style place for that, but that's minus insulation, electric, plumbing, finishes, furnishing etc etc etc.. $3k is fantasy land. 

On one of my units the property has shared electric with another unit I own.

Regarding fire places, our friends that have older apartments with fire places are often filling the fireplace gap with electric LED "virtual fireplaces". 

After the cost segregation study was performed, this was the new asset allocation breakdown by useful life.Here are some examples of what types of assets are included in each of these asset classes.5 Year Useful LifeSpecialized equipmentCabinets and countersRefrigerators and microwavesSecurity alarm systems and telephone connectionsDecorative wall treatments, ceiling fans and flooring15 Year Useful LifeSidewalks, landscaping and asphalt pavingSignage and site lighting39 Year Useful LifeDoors, walls, roofing and windowsFlooring, drywall partitions and ceilingsEmergency lighting and restroom fixturesPlumbing, HVAC, and electrical distributionThe use of the accelerated depreciation strategy helps real estate investors to reduce the tax liability immediately which therefore increases their bottom line due to the offsetting of income.

Personally I'd probably just put my energy into fixing the issue and getting it rented.

. - along with inconsistent incomeTo be honest this person should not be investing in real estate and focus their time and energy on getting a stable w2 or income and get their credit cleaned up first

You have $606 after tax dollars to spend on the rest of life's expenses, including investing, buying flowers for your significant other, cell phone bill, water/electric/vehicle expense/food/childcare/hair cuts/vacation.