Know your noise ordinances and you could bring them up.  

I suppose one could raise the standards; "3x rent in bank or other liquid assets,  100% positive references from all landlords from previous 10 years, 100% positive references from all adjacent current neighbors, 0 noise complaints filed against any occupants of current residence", etc

I just got a request that a ceiling fan was "making too much noise".

I'd make it about noise.  

And we were just a little under market rate, so it was also a good deal price-wise.The beauty of renting these types of units, is that you will never get huge extended families, which equal noise, more maintenance requests, more parking hassles, and kids and damage.  

Judges and lawmakers will see when legislation is needed if issues repeatedly come up or someone makes a loud noise. 

@Joe Au, if you do rent to a college student make sure to create a custom lease agreement that goes into detail about noise restrictions, damages, and long-term guests who are not on the lease. 

Be fair and do what is right(legally) and do not be afraid of empty vessels makes most noise!

Tons of noise and drama, her throwing his furniture into the building hallway while screaming at the top of her lungs, cops being called, and even his blood on her - she'd attacked him!  

A co-signer does not guarantee good behavior, or zero damage, or zero noise, or zero people parking on the lawn or smoking in the house, or bringing in pets or having loud parties, on and on.