Are there any videos you recommend watching to better understand the whole process?

Let me explain:I submit that you have to live somewhere, and living somewhere that doesn't suck is generally fairly high on anyone's needs list, especially Maslow's.However, you want to start investing, and investing in something that doesn't suck is generally fairly high on a real estate investor's needs list.To save some keystrokes, read my response to a similar inquiry about why condo's/HOAs aren't a good deal: http://www.biggerpockets.com/forums/88/topics/1959...The same condo unit that I describe in the lease was making a great rental for my friend.  

The bank will require a realtor to submit the short sale package/application to them, so you will need one involved. 

The PM should be itemizing that as part of the normal duties and giving you a form to submit to your EA or CPA.I really don't understand why most of the big picture numbers werent worked out before the sale executed.

Submitting an offer on a SFR today.

They will provide you a prequalify letter you can submit with your offers.

It will get to the point where yes your offers will get submitted and accepted.

If anyone can recommend niches, books, blogs, YouTube videos or any other helpful suggestions etc. it will all be appreciated.

Your post suggests you did the analysis after submitting the contract & then backed out.  

Day 14:Well we finally have a *little more* excitement to report since this can be one of the more boring stages in the exciting world of rehab (there can be a lot of lag time between submitting permits/plans and waiting for approval.