From the liability/asset protection side always use licensed and insured vendors, build out a robust contract management system, make sure the owner is always listed as additional insured.

Was it this: Master Private Money Brokers | The Lee Arnold System | Partner & ProfitIf so, it is my understanding that gets you nothing but a certificate through his course and is a marketing piece. 

It’s just  that I have no accounting experience and I created my own spreadsheets when I started this (I created and know my own system, not this one).

@Larry Nielsen with the proper screening system, whether S8 or cash-paying tenants - doesn't matter:)

She is robbing the system.

He’s promoting his new Real Estate Success System for $997 which includes in-person summit and his full course. wondering if anyone has bought it and if worth it?

Not only is this clearly something that tenant is doing , but the plumbing is hooked up to a septic system and septic systems do not break down tampons. 

For the project I plan on creating a system to address every aspect, step-by-step, of increasing the value of multifamily properties by making improvements that increase each property's net income.

The real question has to do with  if you are prepared to do what's required to learn the foundations of real estate investing, strategies, tactics, financing, title, escrow, marketing, deal structuring, develop acquisition systems, investors, associate networks and management of properties, rent collection, cash flow, taxes, etc.This is all took me a lot longer than one year, but you might be very dedicated. 

your system probably applies well in really dense areas but maybe not in less dense.