No harm culling zillow as well.

Complaints about cleanliness can be very harmful to an STR performance.

The poison is effective and isnt environmentally harmful.

Some simple things could be;Adding coin operated washer/dryer (If they don't have them in their units already)Covered parking and adding a monthly charge (Not sure how well they'd like that)Adding standing BBQ pits or maybe some type of play set for kids (Could harm insurance rate)

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

There is no harm in having 10 month leases, or even month to month.

There is absolutely no harm in offering your MAO (preferably less) even if you don't think they won't take it.

Throw them out, all of them ... they will do you more harm than good.

In your case there is no harm in shopping around for a firm that matches your needs as far as size, expertise and billing structure is concerned.

What kind of harm could happen as a result?