Multiple investors with decades of experience, some GP, some LP, some skeptics about the entire business in general sense and some bulls who have gotten rich from investing have all chimed in on this you got links to specific case studies from Brian Burke, a seasoned syndicator, a guy check from Melanie p, who makes it a part time job taking the trash out and exposing the shenanigans of one syndicator after another.Greg Scott has an excellent reputation on these forums, and provides a counterpoint to Melanie’s skepticism.

Sounds good but what’s their reputation as well?   

Brett was his partner.You can't clean up your reputation by running away.Preston got to reap the rewards when the money was flowing at GEG.

We do this for a living and our reputation depends on you successfully securing a loan, on time, and as promised. 

Got a statement every month from a very reputable, conservative firm.

You don't need a mortgage broker, just a reputable, competent direct lender that will ask the important questions upfront to properly screen your deal.

I recommend starting your search here to find other reputable tax pros to compare to https://www.biggerpockets.com/business/finder/tax-and-financ... 

best of luck on your journey. i would partner up with a reputable mentor if this is your first deal.

Considering it's from a reputable auction site, do I have decent legal standing if they misrepresent it?

The S8 group as a whole has a reputation for greater wear and damage, so don't be surprised.