They seem mostly suited for off-site wall segments production and I have to wonder about the economic viability in real-world projects. 

Welcome to the site.

@Drew Shirley I am in the vast minority on this site regarding co-signers.

Joseph,Bigger Pockets is the best site on the internet to build a newtork and get all the hlep you need to avoid mistakes and save money! 

Has anyone purchased homes off of auction sites or even in person?

I tried check in recently with Hilany, Frank, Rick about my refund they promised -- emails bounce, site down.

thanks for that so is 1.5% bad bc that's what that person messaged me  there is no regulation on Transactional funding basically its whatever you can negotiate.. 1% is the going rate from most.. some will be higher some will be lower.. just google around for TF funding and and talk to a number of those funders to find your best deal.there are half a dozen of these folks or so on BP that do provide this service maybe they will catch this thread or maybe you do some snooping around on the site and find them.

He said no, because I'm not a real estate agent.But I've blogs  that said that I could get a fee from an investor friendly real estate agent.What's real and what's fake you guys.

Building your core-4 will also be fundamental to investing out-of-state, I'd recommend reading this article by David Greene: https://www.biggerpockets.com/blog/core-four-real-estate-tea...The Midwest markets present some good opportunities for investors with cheaper price points, lower taxes and a lot of them being landlord-friendly as well.

There is not one site where you can look up all the data.