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

Use the search bar and spend an hour or two reading.ESTOPPELYour offer to purchase should include a requirement that the Seller provide all documentation and agree to sign an estoppel certificate (also called an estoppel form or agreement).

It was built in the 60s but just got a new roof, HVAC and water heaters were all updated between 2017-2018 so fairly new, and it’s an active mid-term rental making about $3,200-3,600/month depending on the season and he provided all the documents to support that from the past 1.5 years.

I'm not the type that has a windfall and kicks their feet up.

What made you interested in investing in this type of deal?

You shouldn't even have to send the notice-to-quit (but that depends on the type of lease that is in place). 

A property manager should not disburse funds at all unless they have the necessary documentation from the out-of-country investor.

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

They can help you navigate the legal complexities and ensure that your rights and interests are protected throughout the process.Remember, seller financing can be a win-win situation, but it's vital to approach it with due diligence and proper legal documentation.

What made you interested in investing in this type of deal?