For this I plan on charging 10%  of rental income as management fees to LLC-A.Some of the benefits of this vertical integration brought by LLC-B is: (a) Ability to contribute to retirement plans (solo 401K, etc)(b) home office deduction(c) health insurance plan premium, among others. 

But damned if I can find anything online about landlords using it!

It is not very difficult or complicated to evaluate commercial real estate, there are plenty of good books available that can teach you how, textbooks, online courses, community college classes, even excellent youtube videos etc, and it is actually quite enjoyable in the process to learn.

not sure if you are familiar with basketball but it is alot like the spurs offense. meaning the system works if you trust the process. my uncle has everything set up. contractors, know how, experience, tenant screening. management. so i will integrate into his system and learn it to replicate it like Steve Kerr did for the WarriorsYes, I am - The Big Fundamental was a great power forward!

But even if you’re not using Baselane, any tool that integrates with your bank and helps automate categorization can drastically reduce year-end headaches.

However, what about these corporate cash buyers that lack integrity, knowledge and professionalism?

I can provide him with an online log in so he can review the books from his office.

Call Rhett Tullis at Integrity. 

I use QuickBooks Online for all of my clients.

Super knowledgeable and takes integrity and his Christian faith into all the deals he does.