Then ask about income, credit score, how many people are moving, moving date, smokers, bankruptcies, felonies, evictions, pets. 

There are always smokers, extra tenants, and so forth, so it may not be worth your stress to force the issue, especially if she is out next month.

He always got an extra pack of cigarettes, rolled up in his t-shirt sleeve.

We posted a 24 hour notice of entry yesterday and today my husband found the two cats as well as an ashtray full of cigarette butts (we have a no-pet/no-smoking policy).

Quote from @Bryce Jamison: I had one with smokers for over 30 years.

She has cussed my manager out more than once; flushed stuff down the toilet causing a plumbing bill; & constantly leaves cigarette butts on the ground outside despite being a non-smoking property. 

Would you all rent to a smoker?

VP's bad tenant burns common area flooring with cigarettes, scattered burn holes throughout.  

-on the walk through does it look like the tenant is taking care of the property, can you tell if they are smokers?

It even has a smoker!