I use THIS ONE and it works great on most odors (pet, cigarette, food).

She recommended i not take metropolitan housing any more, also no smokers, or pets.

We had a similar problem when we inherited heavy smokers & 2 large caged dogs. 

I am trying to make a decision on what to replace the carpet with, damaged due to heavy smokers. 

House had a terrible smoker and cat lady which made it a complete gut job.

I mean seriously, a violation of ANY provision of the lease (even smoking one cigarette if there was a no smoking clause?)

@Ned J.I was able to tour the upstairs since it is separate and he doesn't live there. the down stairs needs a lot of work as in it looks like a dirty frat house (looked in through the windows) there is trash everywhere and the walls have years of cigarette smoke on them. the foundation looks good, HVAC too (was able to get into the basement since there is a exterior entrance. however the brother has convictions for "criminal property damage" so I guess my concern is him taking a bat to everything/ ripping out plumbing, and the numbers not working with 70K in damages.

Non-smokers only.

Even in states that have legalized marijuana you cannot grow beyond personal use without proper permission.It is not legal in my state, but if it was, I would view it no different than cigarettes or vaping.

STRs only recently got a bad rap because of excessive use of police resources (kicking out smokers, parties, etc.) and now require fees and a license. - Back to your 2-3-4 unit dilemma.