Handyman - at least $35-50 to show up and plus labor/materials In this business, it's beneficial to know how to do simple things: plumbing, electric, screws/nails.

@Steve Gjerdingen, people are cutting and stealing live electrical lines?

Adding to the list above.4 foot step stool8 or 10 foot ladderOn the nail gun you might go a long time before you need it.An electric circuit tester.

Heat/electric avg is $150-200/ mo.  

Although a metal building similar to Self-Storage in concept, totally different customer base. 25 by 45-foot bays, with 14 foot roll up door and a walk thru door, with light electric.  

But for that 30% you need to have a electric hook up usually for them. 

Any recent building/electrical/mechanical/plumbing permits pulled at city?

Do you have electric service?

Also, plumbing and electrical lines running it could be a big cost depending on your home layout.

I’d just advise you if you’re not otherwise interested in real estate to set aside a small portion of the rent each month for the time period when you will eventually have a vacancy so you have money to pay the mortgage, a small portion for maintenance costs, and a small portion for capital expenses such as when you need a new refrigerator or a new roof every 30 years.