Code Enforcement in my market has just recently started, as part of their tenant turnover inspections, to document the material composing the water inlet pipes where they enter into the basement. 

A certified letter is good because they sign for it, acknowledging receipt, any other forms of written communication you can get to document that they were notified of the hazard probably also helps. 

Another reason I'm somewhat stuck on the idea of real estate investing as an out-of-country investor is because I plan/hope to document the entire process and post some content on youtube etc.

I hate to be the bearer of bad news, but such P/E levels are not sustainable and be considered an expansionary or growth cycle.This does not mean a hard crash is imminent, but it does mean the dollar will be significantly weaker for certain just how it gets there is anyone's guess. 

The owner is a former mortgage underwriter and she is preparing documents herself and having her friend at a title company execute the sale.  

News Flash!

If you could find any news stories, that might be a place to start, or even share national housing shortage data.

Again, in WA, we have RHAWA and their documents are pretty good.Early termination: does your lease say anything about this?

Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

In fact, when it comes to contracts, if there is vagueness the contract is to be interpreted in favor of the party that DID NOT write the document.