Im not familiar with the specifics of the USA + Mexican tax treaty, but this article is a great place to start: https://www.cpasforexpats.com/post/us-mexico-tax-treaty#:~:text=The%20US%20Mexico%20tax%20treaty%2C%20signed%20in%201992%2C%20serves%20as,according%20to%20their%20respective%20laws.

Some DSCR loans even feature "no specific DSCR required!"

Analyze local demographics, rental trends, crime rates, and future development plans .While South Atlanta is undergoing revitalization, there are still opportunities worth exploring, especially in specific submarkets with potential for long-term growth.

Unless you have a very specific reason to do this - no.

Does anyone have any other websites or processes that they use to analyze a property for STR investment purposes?

I don't see that there should be any disclosure requirements for someone who isn't licensed since the rules for that are specific to licensees.

The art of wholesaling is very difficult but 100% possible if you have that hustlers spirit.I have a website I can share with you if you DM me that will compile all the lists you can think of (I'm not sure if I can drop the link here or I would)Driving for dollars like you mentioned. 

So my attorney did a simple reservation agreement and we collected $1,000 deposits and reservations (set up a website and small billboards advertising with Non-binding caveats). 

Back then, it was just me, I juggled a kaleidoscope of tasks: managing social media for an investor, scheduling appointments for a life coach, and writing website copy for a realtor.

Solar Tubes, actually that's a trademarked name and specific type of "sun tunnel/tube," but yes, even I call them that ... they are meant to be installed in an attic space!