Lightbulbs, batteries in smoke detectors is on them and written in the lease.You can really do whatever you want if it is written in the lease contract but bear in mind they don't own the home and won't care on certain things.

The home was on the market for an extended period of time because the renters smoked in the home so I was able to get it 20k under asking price.

I have a tenant who is already late on his payments but he was smoking in the property and caused a fire.

.- Lighting fixtures- Smoke alarms / carbon monoxide detectors- Window and door repairs- Water heater maintenance

Smoke alarm and CO alarm, I provide.  

Invasion of privacy, unclean and rude house members, maybe if they do drugs or smoke or are party animals, unwanted friends of theirs visiting at odd hours, clashes of personality

Many new investors get excited by high cash on cash returns in the midwest and buy rough properties in D areas and they get smoked by property managers, tenants, vacancy, capital expenses, repairs, turnover costs, etc. 

Do we really want the government to rely on getting more people to smoke more marijuana in order to do their job protecting us and maintaining our infrastructure and schools?

., smoke detectors, proper handrails).

Smoke and carbon monoxoide detectors & fire extinguisher.