The day after I set precedence, I gave my info to others who had "illegal" ADUs and a basic "road map" to get themselves legal.  

Basically scale in paper and challenge it with your personal time, resources, desires, finance, insurance, PM, etc.

If it is a market rate class A, B or even C properties, I would say that it (basic maintenance) is something the tenant should handle considering that for these properties the tenants likely have additional resources to handle small maintenance issues. 

What we do for houses with heating oil , we measure the amount of oil in the tant ( There is a chart that tells yo how many inches equals gallons ) And the tenants pay that up front when they move in , the oil is now theirs .

I looked at something similar about a decade ago which was some camping log homes in upstate maine which was a beautiful place but the place did not have power (only generator) and heat was via fireplaces.

This includes operating your heating and air-conditioning system as appropriate to reduce humidity, using appropriate ventilation, limiting evaporation of water, promptly removing any visible mold, and immediately reporting to us any leaks or other water intrusion into your apartment or any visible mold that you cannot remove.

Basically a lot of circumstantial evidence (no video of her actually taking the packages).This evening an old car with an old man drives up my driveway.  

Basically, they are abbreviated inspections that focus on the more expensive liabilities that investors are looking for instead of under-caulked windows and damage to drywall.

You need to not necessarily follow a book to a T, but just basic principles.

Regarding your co-host, it’s common for property managers to answer basic questions as part of the vetting process, especially if they want to work with you long-term.