Although not required, I would use a constable or sheriff to serve the notice.Also, if you offer them a new tenancy at a new rate, you can also require new terms, like no pets, no smoking etc.

Might be better to ask about charges.Could ask about smoking. 

Should I keep looking at deals if I come across a smoking deal do I present it to a investor or a loan officer and see if i can get pre approved, what do you guys think? 

What they say is true - if you find a smoking hot cash-flowing 4-plex in a cash-flowing market (say, C are)... you're going to have vacancies!

Unmitigated water damage becomes mold damage and and there is the potential of extensive smoke damage in the same airspace.

New smoke detector mounted to the ceiling ( hole from previous smoke detector is too small for the new one ) , 2.

All of a sudden you have a non-paying "friend" because smoking weed and going to bars is more important.

It's like musical chairs and this will keep driving prices until the market finds an equillibirium between supply and demand, which all free markets will do over time, but since supply and demand are not that flexible it has to be price that will reduce demand until we are balanced.Milwaukee is also seeing a little bit of an increase in imigration due to climate change: smoke, fires, drought, hurricanes, floods, fresh water - in combination with remote work and low cost of housing compared to most of the country.

Baltimore city and county both require rental licenses and rental inspections but they're pretty basic - hot water, smoke alarms, everything works, railings on stairs, etc.

I love my contractors but I have to pick them up with breakfast burritos to show up and no matter if I beg them not to smoke indoors, they do.