The Book on Rental Property Investing - This one is published by BiggerPockets and authored by BP's very own Brandon Turner.

The Tax Lien Lady, Joanne Musa has published videos on bidding in AZ.

Is there a Wholesaling Real Estate Course or mentor for beginner investors step by step published recently, with a reasonable price tag?

I found 4 foreclosures in a high-demand area with the published price of under 10K.

When I find one, I note the date the ad was published and save a link to the ad in my favorites.

Also, states like Texas, which are non-disclosure will not publish any of this online.  

They also have to publish them in a newspaper (they will tell you which if you ask) but this is a pretty tedious way to look them up.

Previously (late 2015 or early 2016) AAMD published a vacancy rate of something like 12% for luxury units in the urban core.

Not as big a deal now, but when housing was getting pummeled stable collateral with stable rents was a huge asset.If you can look up their 10-K on sec.gov (SEC->Filings->Company Filings Search), many times they will publish their underwriting criteria.

Here is the link for FBC,http://ccweb.co.fort-bend.tx.us/Generic/SearchResults.aspxThey usually only publish the notices 15 days in advance and don't have lot of lead time.