The renters are also stating that they found mold in the dryer vent and have since cleaned it.  

It will look like a dryer vent covered with lint.

You a restaurant saying how dare a customer expect there food WITHOUT hair in it, a mechanic saying how dare the customer expect the auto to be fixed when it leaves, a pilot saying how dare the passengers expect you to "fly sober"....  

Tenant called and said he had a new washer/dryer delivered and the delivery guy said the cold water valve was corroded and leaking badly. 

This room has the washer, dryer, and water heater. 

Deals with "hair" on them take time, strategy and a good amount of luck, but they do turn into gold mines. 

.)-- 34%  ... hot tub-- 24% ... washer/dryer-- 20% ... poolIn all but one market type, hot tubs were the best way to boost revenues.

That might be adding a washer/dryer, dishwaher, microwave hood, or even just allowing pets.

However, we had a running fridge, stove, washer & dryer, and riding lawnmower.

However, after a quick tour, my agent informed me that neither unit has central AC or a washer and dryer, and the bathrooms need some work.