It could be something like having a smart HDTV in each room, an outdoor grill, a common kegorator, lower prices, once a month cook-out (for tenants and their friends) etc.  

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.

Do you have a sizable yard for grilling and/or socializing?

@Ben Visser This plumber is definitely blowing smoke......RE brokers do Not carry insurance that cover no disclosure on an Owner's part.....it's for the Broke/agent's actions.  

They are really borderline candidates, not terrible but with a couple of items put together smoker no rental history well they just weren't strong.

You can grill out after the game, etcIt was shocking to me too as I combed through the AirDNA data but the trends were unmistakeable - I kept seeing huge spikes in revenue in Sep, Oct, Nov in these college towns with big FB teams (it happens in Knoxville too, though perhaps illegally ;)I went to investigate further & found that there are people who live in college towns who rent their entire place out ONLY for the 6 FB wknds & it seems to cover their mortgage for the entire year.

We don't rent to smokers.)6.

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. 

Well there are stats that say a disproportional number of part time workers are women....so people that only work part time wont meet that criteria for income....and a larger % of them will be women as opposed to men....so you must be discriminating against women....Smokers?.....