However, if people are roaming around with beer cans in their hand and cigarettes dripping out of their mouths at 2 a.m., well, you can decide what to make of that.  

It is a 2br/2ba condo on the first floor but the first thing that I noticed was the smell of cigarettes. 

After tenant constantly refused to pay her part of the rent, only $14 a month.While smoking a cigarette..."

Through no fault of their own, the 2nd hand smoker, especially in the days when airlines were allowing smoking, can develop and have been proven to have higher incidence of cancer.The "empirical cost" was not paid at all by the Tobacco companies and in fact, developed propaganda campaigns to mislead the public.After the mounting evidence reached a certain point, taxes on Cigarettes skyrocketed, for at least 2 reasons. 1) to discourage the use of cigarettes so you DON'T have an increase of getting cancer and 2) to help pay for some of the empirical costs associated with the healthcare costs.In the case of Investors following the OP's strategy is one that I have personally seen time and time again.

Purchased from my aunt who was a heavy smoker so I knew there would be some rehab.

@Caroline Gerardo advice is great.Also, if you don’t want smokers to smoke in your house, you have to mention that in the lease. 

I have worked on 3 mobile home filps- I got 20 years of smoker smell out of a house that had walls essentially made of cardboard. 10/10.

I don't allow smokers period and ask in my ad how much do they smoke. 

Our FB page got more likes out of this.I used the Facebook criteria to EXCLUDE smokers, pet owners and those interested in marijuana legalization.

Even so, many of those that have been in arrears had cable tv, cigarettes, beer in the fridge, and a bottle of Crown Royal on a high shelf.