Important to recognize the root issue so you can better avoid it in the future.

I was wondering for your rental properties do you have your tenant's maintain the lawn in the summer and shovel snow/apply salt in winter? 

This applies to short or long term rentals. 

Time to listen to the crew you hired and sort out the root problem. 

It is similar to Gainesville’s Renters’ Rights Ordinance and will apply in the unincorporated county, while the smaller municipalities will be able to opt in but will not be required to participate.

Besides ozone, there are products that can be applied to the walls, ceilings, and other surfaces to neutralize the odor and residues from smoking.

I’m an out of state investor with family roots in upstate.

Your DTI only applies if you are getting a conforming mortgage on a 1-4 unit property.If you are buying 5+ units, you'll need a commercial mortgage/loan and your DTI usually won't matter. 

The normal eviction process doesn’t apply in this case.

If future appreciation is high, risk is seen as low.As with any rule, it is very important to understand the basis for the rule, rather than just blindly applying it.