- Look at crime rate for the location - if at center of some really dark red area, then walk away from it.- How long has it been listed on the market? 

Also, check the local fire code for the requirements for Extinguishers, smoke detectors, CO detectors, etc.

If you have a 3000 SF house for rent, it better not have a small dark kitchen.

Has the area improved after dark?

I told her to look at it as a blessing in disguise, but it was so dark in her world to see it through at the time.

Holy smokes, @Bart Rosales! 

I can’t expect her to keep others in the dark as if I were her sole client.

With the next inspection or turn over, we will be alert to the problem and come armed with an extra drain assembly and plumber's putty, in addition to the smoke detector batteries and light bulbs. 

Can anyone recommend a licensed alarm installer for a central smoke alarm? 

"It was a dark and stormy night...