The alternative is to obtain a good education from conventional sources, like a $350 course at a real estate school, or buying a $35 real estate book that agents learn from or reading on sites that teach real estate before how to use techniques that are all based on basic functions.

Check your state as well and be firm in your resolve.This is a technique I had to learn the hard way...but I never understood how building code "modulars" could be assembled in a factory with all the inspections like electrical and plumbing so I called them and asked how many county building inspectors they had on payroll to build all those homes and they said "None". 

I am specifically interested in the BRRRR technique since I have limited capital at the moment.

If nothing else, through seams in the individual slab sections.One of my pet peeves is actually another technique that is pretty common here for the exterior walls of buildings, as well as concrete fences - leaving the raw concrete exposed to the elements!

Better to be safe and build in extra margin and room for error when you haven't perfected the technique.

My goal is to help someone and in the process learn strategies, techniques, etc -Christopher 

What is the best technique for appraising 20+ unit apartment complexes ?

Borrow their marketing techniques. 

What percentage do you say fall into each category, and with good screening techniques how much can you change this.

You CAN, however, offer in the name of an LLC, and then SELL the LLC, thereby wholesaling the contract.This technique is called a "disposable LLC".