This is a practice by some less than reputable companies.

You should connect with a realtor and get access to the MLS.Real estate listings on zillow, trulia, realtor will not be as reliable as what is found on the MLS(or equivalent).Properties on the online sites may have already been sold.Furthermore, properties just recently listed on the MLS may not show up on the online sites until after a couple of days.

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

I bought an apartment off an online auction for $53,500 (I used cash). 

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?

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)

Licensed and insured GC's with a good reputation are worth their cost.

Going to Rockwell Institute for Real Estate (Washington state - online).