By highlighting my ability to close quickly and my plans to enhance the property's value, I secured favorable terms that fit my investment goals while laying the groundwork for the broader development project.

Our debt was based in a 30 day revolving line of credit.  

Highly recommend you have stripe with rental agreement where you collect identification, selfie, credit card info, and e-signature.

Then the trustee and the beneficiaries will need to come forward to sign some docs, someone will have their credit pulled, etc... 

I do a rent by room strategy, and I use a tenant application platform (Turbo Tenant which I love) but they're having trouble inputting their info....Is there another way to verify income, credit score etc with a foreign visa?

Recognizing the opportunity, I reached out to the seller directly and negotiated a favorable price.

Almost all local banks and Credit Unions offer loans on Commercial Retail properties

In all honesty they did you a favor but it might be at a higher expense.

If I fail to spend all my money before I die, she will inherit the high credit, corporate backed NNN properties I developed/repurposed over the last 15 years.

You have bad credit or have not built a banking relationship.2.