Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

So there are large numbers of accountants who say it's OK as long as it is documented as an arms length transaction.In this case however, it is an LLC issue. 

I’ve heard that some platforms offer features like automated payment tracking and secure document storage.

Just make sure to bring all the necessary documentation, like your LLC formation documents, EIN, and personal identification.

It has taken us almost three and a half years to get to this point and most of that was the one year seasoning period from the lender and working with them to get the required documents for the county recorder.I'll definitely check them out.

We can ask them to do so but all they have to do is present the document to us, they do not have to use another service. 

Did you record an document to secure your part of the transaction?

@Sue ForwithFor all those reading I would never sign a subscription document without seeing a copy of the operating agreement.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

Figure out how to inspect and document, what to do if there's damage or violations, etc.I could go on.