Where I buy houses the average lot size is about a quarter of an acre.

@Philip RayI recommend finding an accountant who specializes in real estate taxation and tax planning.

I recommend finding an accountant/financial planner who specializes in real estate taxation and tax planning.

@Bunti PapuI recommend finding an accountant who specializes in real estate taxation and tax planning to learn about STR tax strategies.

1) Our PM conducts quarterly walkthrough inspections.

By talking more to the police, we found out that the main tenant had a long history of inviting guests in exchange for help around the house and that those relations would always turn tumultuous and that the police visited the house several times each quarter over civil complaints, suspicious activity, noise, drug related activity, and a bunch of other civil nuisance type of calls.

Examples where this has been done successfully include bed and breakfasts, self storage properties needing 24 hour management presence  with living quarters. 

At least in Missouri, and depending on size, you typically have to test your waste water monthly/quarterly, and then you have to file a form quarterly with DNR which reports the status of your treatment facility.  

If they are hosting quarterly conferences to bring in new clients and running ads constantly for their educational course, they have likely learned that the education world is far more lucrative then they were able to be in real estate.  

It’s not enough to cover one quarterly tax payment.