The unit isn’t very nice, she’s a smoker and there’s nicotine on the walls so I can’t even slap some paint on the walls to make improvements.

It's your lungs and your life.However, I don't allow smokers in my rentals because they damage my buildings, stink everything up, and leave the walls filthy with nicotine and burns in the carpets.

If you are not on the same page with other life goals then the real estate is not going to gel well and constantly be fighting with the other things instead of complementing things.

Even if they smoke outside their clothes bring the nicotine  into the closets. 

Cooling Gel Memory Foam3.

There is no safe way to enjoy/smoke a cigarette.So instead of helping nicotine addicts, they continue to allow cigarettes but just tax the sh*t out of them.

The nicotine gets onto the walls and creates a film on it.

He & the family were fine, but he sure was bright eyed when he saw the house go up in flames and the TV crews arrived.I've renovated heavy smoker houses with tar & nicotine oozing down the walls.

Marijuana does not do damage like nicotine from cigarettes

It's a hard rule to enforce, increase security deposit or let her know you'll have to take extra measures to ozone the apartment for smoke and other nicotine stains or cigarette damage.