I do recommend on higher end properties adding TV channels and Spectrum has a live TV stream app (no more boxes, I also imagine other cable providers so as well).

One option might be to explore adding air purifiers or filters directly into the system to help mitigate odors.

We have a 14-page management contract that we've added our real experiences to over the years, with the intent of protecting both us AND the landlord.

If it concerns you that much, adjust the purchase price to take into account this added risk. 

I just completed a rehab that adding half a bathroom added ~$50k in value.  

I went back to the webinar through a different device and saw that they had also added a link to access his Gator Method for $2,997.

Not to mention, you're adding an appreciating asset to your portfolio. 

That might include things like adding units, converting commercial space to residential, or finding ways to boost income (like adding parking).The key is recognizing opportunities while walking the property, and that takes experience.

I saw their ads on BP. 

Regarding insurance adding additional umbrella insurance is great idea.