What you're referring to is cigarette smoke.

I was going to give all mine mega millions lotto tickets , some Newport cigarettes, and malt liquor but I ultimately decided to just give them what I always give them -a comfortable safe place to stay .

He left me hanging completely and almost ruined my deal.. not to mention he took me to a property he’s working on for an out of state investor- a flip property- and one of his workers was smoking a cigarette inside the newly remodeled kitchen that would be listed for sale soon.

Dude is going every month to pick up cigarettes.

Previous owners smokers, ceiling looks rotted and insulation is coming through 3 large spots but she says it’s been repaired.

Wreaks of cigarette and marijuana smoke.

just like the poor person who can afford cigarettes and booze.

As far as damage to your property, it wouldn't be any worse than someone smoking cigarettes in there. 

Assuming the pot smokers are not your tenants and this condo is owned by someone else maybe reach out to the landlord or HOA?

This is similar to saying "No smokers" or "No pet owners" as neither of those are considered to be protected classes.