I understand the seller wants to move froward, but if they are not willing to give you information on the asset that you're purchasing, that is certainly not a good sign. 

Good insurance, particularly with an umbrella liability policy provides very adequate protection on smaller assets. 

I've already had to turn multiple people away after running their credit reports, so I can already see that it's not going to be financially feasible for me to be covering the fees myself.

I’m going to consult a local financial planner but thought I’d ask the brilliant minds at BP as well.

It only happened once, so you have no evidence that this is anything but an honest mistake that's been corrected.The bigger concern is the 583 credit score, because it shows a pattern of financial mismanagement.

Over the past eight years, I have collaborated with hundreds of out-of-state investors, helping them find cash-flowing properties aligned with their financial goals. 

Prioritize your financial stability.

Also, do you have any other properties or assets? 

@Christopher Mooney - I house-hack a 2 Unit Building in Bayridge Brooklyn which is a 45 minute subway ride to Manhattan Wall Street Financial District (a 7 mile drive).

Do you want to buy fixer uppers or more stable assets?