Louis elsewhere on this forum but know the market well, it's very street by street, have good boots on the ground, and this website exists because the founder lost a lot of money in cheap St.

Go on the bcbs or human website and get a quote like auto insurance and anticipate a 2 to 5% increase every year.

If you are wanting to find properties on your own, I've found that Shorewest Realtors website (shorewest.com) is pretty helpful. 

Great find on this website, could be helpful to others trying to find average cost vs value add in projects: http://www.remodeling.hw.net/cost-vs-value/2018/

For instance, I’m looking at a local foreclosure and the price is $90k, and the county website shows they took back the property at 90k.

@Joshua Rogers their website is reinvestorgroup.com

It is on their website.

I went to the State of Alabama website and asked for the price of a property that they had for 10 years and did not hear back from them.

On my county tax website they say who the owner is and what their tax bill is/was, but sometimes they only have information from 2017.

I am working on my rough draft of 3D model designing of the new floor plan to be converted from singlewide trailer into 16x32 duplex houses on the same permanent trailer foundation with deck porches (just demolish entire mobile home to convert into stick-built house) and on the process of signing up my new real estate investment crowdfunding campaign (website) to be posted with my finalized proofreading content with a lot of pictures and video.