A lot of these numbers Brandon says to just do a combination of knowledge, quick online research and rough estimate:Purchase price: $259,900 (this is pretty simple but I noticed in other BP's videos they will change the purchase price, either lower or higher, is there rhyme/reason to this?)

I've watched few real estate investing videos on Youtube and all of them are saying you can buy a house for lower price than the market and put down payment on new house with the difference (equity?!)

Did you get pictures, video or written report with them at the walk thru?

*Sales of all segments grew, except homes below $150k*Sales in the Luxury Home segment ($750k and above) were up the most, 12.3%, in November '18.Below is the Houston Association of Realtors monthly update (with video) for more in-depth info and commentary for those who are interested: https://www.har.com/content/mls

I really want to start learning more aggressively but can't find a good colleges to go to online that focuses souly on REI.

All success due to biggerpockets networking, books, and videos.  

A few months back, my partner and I bought two properties at an online auction after having success with our first property that we flipped.

Is there an online interface for tenants/owners?

Have the agent make you a video of the property and inside the units. 

Search for this publication online to find a discussion of the calculation of the number of loans a borrower has.B2-2-03: Multiple Financed Properties for the Same Borrower (10/31/2017)