Dealing with insurance and repairs is secondary to the wellbeing of your tenants and neighbors.Once you've confirmed everyone's safety, it's important to document everything thoroughly.

Make sure to follow all legal procedures correctly and keep documentation of all communications and actions taken.In the long term, taking preventive measures from the start can help avoid similar non-payment issues in the future.

I swear I can look up the recording documents on my county assessor’s website. 

A PreApproval is there next tier, in that it also is reviewed by an underwriter for pre-approval of income, asset and credit documentation. 

Hello,I am getting all my property management documents and software in order before I buy my first rental property so that when I buy it will be a smooth transition, Beside the lease and application, what other documents should I have in my files so that i am prepared (pet agreement, inspection checklist etc.) .

You can see what taxes are delinquent and read through the foreclosure documents.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

Document everything.

If you are legitimately going to live in the property, then house hacking is a great strategy, just do not violate the loan documents.

Given how good the terms are, I'm surprised to read that they will work with someone that had a bankruptcy or foreclosure more than 3 years ago with a sufficiently compelling letter of explanation along with supporting documentation.