Got it.What we include in the process as well, is "how best to protect yourself from the "due on sale", what happens if the renter stops paying, what if the seller won't vacate, how to get a title report, why to not use a real estate agent, how does this affect my taxes, what makes for a good deal, what exit strategy to use, how do I hold title, what happens when the seller comes back later and demands to be taken off of the loan, how do I hold insurance, what happens when a roof or waterheater need to be repaired or replaced, and on and on.

Their system is great and will definitely be good to use as you scale up.

What are your thoughts  on walk-through  bedroom houses  as a  long time rental property  as young investor they are very common  in my area and would make a good  long term  rental by number, What are the pros  and cons .

If you're doing a 2nd mortgage on your primary residence to get the cash for down payment on the new Quad, then you're looking at needing to qualify with DTI unless you find a lender who is a DSCR lender and not a traditional conventional loan lender.  

I plan to live in one of them thought it might be a good idea to use demountable walls instead of drywall to create extra bedrooms to rent out.

For my situation being away from home so often(I'm a Michigan resident), this would still allow me to participate in real estate but be diversified beyond a syndication.

I was also in IT field and working as a QA Tester for 17 years and quit the job for good 2 years ago, As my real estate investments are giving passive income..

Let people know where you need help and investors in those cities, in most cases There are a lot of good people here who will try and help if they can and will do so without taking advantage of you. 

However, my personal residence has a 30 year 5.875 fixed rate.

Having access to funds is also good back up (eg line of credit).