For example, main categories of deal flow, finance, value add, property management etc and punch list of items for each broad category?

I know this is a broad topic but feel free to weigh in from one or more angles.

With that, you could put 20% down on 3 more 200K properties (40,000 each) and still have 10K for reno and prep on each of the properties.This is just broad strokes - and the devil is in the details - but it helps you see, as @Joshua Janus has explained above, how your pace can be accelerated.

So filing isn't the main source of their income, it's a more broad approach.

Robert, when I analyze the potential of a STR I use Airdna for a broad idea of what the surrounding area is doing, then I dive into the actual comps on Airbnb/VRBO to compare my property directly to what is in the area. 

They provide a large array of value and will set you up to start asking the right questions to learn even more. 

Multifamily is a very broad term.  

I've yet to find a group that consistently attracts that many active investors from an array of different strategies.  

I score people on a "whole person" review in three broad categories: proof of identity, how much they make, how well they pay their bills.If they are so young they don't have credit or a Landlord reference, then they are high risk.

That is a pretty broad question regarding real estate.