I'll be signing up for airdna or mashvisor and pricelabs in the next few days as I've heard these mentioned as critical tools to have.

I use property managers for all units. cash flow is critical for your first property and you also want appreciation to help you regain funds for your next purchase.  

If you are using the BRRRR method, it is critical to make understand what the bank's LTV (loan to values) is for the refinance part.

Thanks in advance for your comments and criticisms!

It will be a very good learning experience in the end - so don't listen to criticism, you're already learning how to approach things differently in the future! 

@James Hamling I’m VERY open to constructive criticism and advice. 

It is critical for me to have asset protection in place, and I wanted to ask you all:"If you had to (got to) do it again from the beginning, how would you set up your structure?"

While a lot of people want to "jump in" and get going with real estate investment it's critical that you take a step back, educate yourself, start developing a team (broker, hard money, lender, etc...) , and work for free for some local investors. 

So, for my calculations, I may use something like $1500 per year for repairs like a water heater, furnace, roof, plumbing, exterior painting and maintenance and then I put into my calculations the cost to clean, paint and put a rental unit back together every 5 years when the average tenant moves and that cost is $5,000 to $8,000 depending on the size of the unit, whether it is a house, or an apartment and the size of the yard and number of plants and trees.The next most critical numbers that have to be considered is the principal pay down when you have a loan, tax depreciation over a number of years, some sort of inflation rate, annual rent increases are very critical and my favorite calculation that makes breaks many deals is property taxes and annual increases.

There are loads of resources both in your state/region forum and also the landlord forum.It is critical to vet your tenant well.