A true, permitted ADU is extremely rare because they are expensive to build, the laws enabling them to be built more easily just took effect in 2019, and as both sides can be rented separately they can be held and rented as a duplex (often offering a great return) rather than sold. 

The typical benefit of s-corp status is that it enables you to pay yourself a "modest" salary, which would be subject to these taxes.

I am posting this because I want to thank Josh for creating such a valuable resource for all of us that it enabled me, in Arizona, to find an investment partner from around the world.

Bi-weekly rent would enable level-loading to help them through the month and paying all of their bills on time. 

Your mindset sounds perfect;  setting up the long term plan in the back of your head, while you work on the short term every day:  finding a good job that will help you to qualify for the investments that will enable the long term investment plan.  

This is if (1) the financing is conventional (2) the borrower has good credit (3) the debt coverage ratio is at least 1.2 Utilizing private financing, the borrower may be able to come to the table with as little as 10% if (1) he has experience, knowledge, and a good reputation (2) the property net income is able to service the debt (3) he can convince the seller to carry back a small second lien.There are numerous strategies and techniques out there theoretically enabling the buyer to buy a property with no capital contribution on his part.  

REI is a great way to supplement the 1099 or W-2.

I have some reserve cash that i would use to supplement any repairs beyond the 35K mark.

The CAP rate is just a simple ratio to ideally enable a buyer to compare the cost of similar cash flows within a specific local area.  

The first two we lived in and rented bedroom to supplement the mortgage.