You would have to go after the one individual for non-payment and you could only remove the other three by going through the legal process like you would for someone on a verbal agreement, which puts you in a he-said, she-said situation. 

Being a real estate professional allows you to treat the income as non-passive, allowing higher high income tax payers to pay less in taxes.

Wanting to evict them are a tenant is late for a week or waiting months of non-payment to start the eviction process.

It is our goal to deliver all of this in the RTR Academy along with a plethora of benefits to students to include:-VIP access to RTR inventory before the general public-ability to earn back course fees through investing & our attractive referral program-tax, legal & investing advice from our team of attorney, CPAs & investment advisors-no cost SDIRA or solo 401(k) account to invest through retirement vehicles -lifetime membership with no ongoing or additional fees, etc.!

Just like any aspect of real estate investing, non-consumer lending at a large scale is a relationship business. 

Now it appears your cleaners might be cleaning non-STR properties also (home owners).

Quote from @Grant Francke: For those with using Buildium for property management software, do you use Buildium's public site or do you use a website you have made and maintain?

We can't risk a client sending an unlicensed or non-qualified contractor into the property as we share liability for that.  

Or are all these tenants they've been placing non section 8 tenants?

If there are non-residential (e.g. retail, etc) we would love to learn