Also, an amortization schedule is usually a good tool to have to show the amounts based on how long you have been in the loan.  

Because when your properties pass to your kin, they get a step-up in basis, effectively making a lifetime worth of gains invisible to the US Government.

Anyone has experience doing mid-term rental in this SA for travel nurses?

If so, will ceasing the use of this LLC as my source for consulting income remedy any issues as long as investment properties are placed under series after I stop collecting income from the Parent LLC?

Look at social media and mycase.com     There are many steps to a quality and effective screening process. 

My wife and I have 4 long-term rental units and looking for a better way to manage/track expenses/income.

Your list looks good but as others mentioned it doesn't hurt to think long term and explore refi options as well.

Half of them are below 30 and have never seen a downmarket in their investing lives, and are getting new investors prioritizing the wrong things, with highly risky strategies backed by long strings of "ifs."

I'm particularly passionate about multifamily properties and short-term rentals.Outside of real estate, I enjoy Travel, stock investing, and crypto mining.Excited to learn and connect with you all!

Unless specifically allowed or required by Section 8, this is often illegal both for the tenant and the landlord and you will often be required to sign a document to that effect.